Allow opting out of building default wasm bindings
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@ -7,6 +7,10 @@ edition = "2018"
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[lib]
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crate-type = ["lib", "cdylib"]
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[features]
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default = ["wasm"]
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wasm = [] # Build default wasm bindings
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[dependencies]
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anyhow = "1.0.44"
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csv = "1.1.6"
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@ -50,5 +50,5 @@ use wasm_bindgen::prelude::wasm_bindgen;
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pub const VERSION: &str = git_version!(args=["--always", "--dirty=-dev"], fallback="unknown");
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/// Get [VERSION] as a String (for WebAssembly)
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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pub fn version() -> String { VERSION.to_string() }
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@ -38,6 +38,7 @@ use crate::ties::{self, TieStrategy};
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use derive_builder::Builder;
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use derive_more::Constructor;
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use itertools::Itertools;
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#[allow(unused_imports)]
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use wasm_bindgen::prelude::wasm_bindgen;
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use std::collections::HashMap;
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@ -229,7 +230,7 @@ impl STVOptions {
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}
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/// Enum of options for [STVOptions::sum_surplus_transfers]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[derive(Clone, Copy)]
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#[derive(PartialEq)]
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pub enum SumSurplusTransfersMode {
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@ -260,7 +261,7 @@ impl<S: AsRef<str>> From<S> for SumSurplusTransfersMode {
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}
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/// Enum of options for [STVOptions::quota]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[derive(Clone, Copy)]
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#[derive(PartialEq)]
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pub enum QuotaType {
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@ -299,7 +300,7 @@ impl<S: AsRef<str>> From<S> for QuotaType {
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}
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/// Enum of options for [STVOptions::quota_criterion]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[derive(Clone, Copy)]
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#[derive(PartialEq)]
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pub enum QuotaCriterion {
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@ -330,7 +331,7 @@ impl<S: AsRef<str>> From<S> for QuotaCriterion {
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}
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/// Enum of options for [STVOptions::quota_mode]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[derive(Clone, Copy)]
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#[derive(PartialEq)]
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pub enum QuotaMode {
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@ -373,7 +374,7 @@ impl<S: AsRef<str>> From<S> for QuotaMode {
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}
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/// Enum of options for [STVOptions::surplus]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[derive(Clone, Copy)]
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#[derive(PartialEq)]
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pub enum SurplusMethod {
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@ -429,7 +430,7 @@ impl<S: AsRef<str>> From<S> for SurplusMethod {
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}
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/// Enum of options for [STVOptions::surplus_order]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[derive(Clone, Copy)]
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#[derive(PartialEq)]
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pub enum SurplusOrder {
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@ -460,7 +461,7 @@ impl<S: AsRef<str>> From<S> for SurplusOrder {
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}
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/// Enum of options for [STVOptions::exclusion]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[derive(Clone, Copy)]
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#[derive(PartialEq)]
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pub enum ExclusionMethod {
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@ -503,7 +504,7 @@ impl<S: AsRef<str>> From<S> for ExclusionMethod {
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}
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/// Enum of options for [STVOptions::sample]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[derive(Clone, Copy)]
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#[derive(PartialEq)]
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pub enum SampleMethod {
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@ -50,13 +50,13 @@ macro_rules! wasm_error {
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// Init
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/// Wrapper for [Fixed::set_dps]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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pub fn fixed_set_dps(dps: usize) {
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Fixed::set_dps(dps);
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}
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/// Wrapper for [GuardedFixed::set_dps]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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pub fn gfixed_set_dps(dps: usize) {
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GuardedFixed::set_dps(dps);
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}
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@ -68,7 +68,7 @@ macro_rules! impl_type {
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// Counting
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/// Wrapper for [blt::parse_iterator]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[allow(non_snake_case)]
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pub fn [<election_from_blt_$type>](text: String) -> [<Election$type>] {
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// Install panic! hook
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@ -82,21 +82,21 @@ macro_rules! impl_type {
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}
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/// Call [Constraints::from_con] and set [Election::constraints]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[allow(non_snake_case)]
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pub fn [<election_load_constraints_$type>](election: &mut [<Election$type>], text: String) {
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election.0.constraints = Some(Constraints::from_con(text.lines().map(|s| s.to_string()).into_iter()));
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}
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/// Wrapper for [stv::preprocess_election]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[allow(non_snake_case)]
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pub fn [<preprocess_election_$type>](election: &mut [<Election$type>], opts: &STVOptions) {
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stv::preprocess_election(&mut election.0, &opts.0);
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}
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/// Wrapper for [stv::count_init]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[allow(non_snake_case)]
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pub fn [<count_init_$type>](state: &mut [<CountState$type>], opts: &STVOptions) {
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match stv::count_init(&mut state.0, opts.as_static()) {
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@ -106,7 +106,7 @@ macro_rules! impl_type {
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}
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/// Wrapper for [stv::count_one_stage]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[allow(non_snake_case)]
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pub fn [<count_one_stage_$type>](state: &mut [<CountState$type>], opts: &STVOptions) -> bool {
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match stv::count_one_stage::<[<$type>]>(&mut state.0, &opts.0) {
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@ -118,42 +118,42 @@ macro_rules! impl_type {
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// Reporting
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/// Wrapper for [init_results_table]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[allow(non_snake_case)]
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pub fn [<init_results_table_$type>](election: &[<Election$type>], opts: &STVOptions, report_style: &str) -> String {
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return init_results_table(&election.0, &opts.0, report_style);
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}
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/// Wrapper for [describe_count]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[allow(non_snake_case)]
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pub fn [<describe_count_$type>](filename: String, election: &[<Election$type>], opts: &STVOptions) -> String {
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return describe_count(filename, &election.0, &opts.0);
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}
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/// Wrapper for [update_results_table]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[allow(non_snake_case)]
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pub fn [<update_results_table_$type>](stage_num: usize, state: &[<CountState$type>], opts: &STVOptions, report_style: &str) -> Array {
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return update_results_table(stage_num, &state.0, &opts.0, report_style);
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}
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/// Wrapper for [update_stage_comments]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[allow(non_snake_case)]
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pub fn [<update_stage_comments_$type>](state: &[<CountState$type>], stage_num: usize) -> String {
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return update_stage_comments(&state.0, stage_num);
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}
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/// Wrapper for [finalise_results_table]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[allow(non_snake_case)]
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pub fn [<finalise_results_table_$type>](state: &[<CountState$type>], report_style: &str) -> Array {
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return finalise_results_table(&state.0, report_style);
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}
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/// Wrapper for [final_result_summary]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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#[allow(non_snake_case)]
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pub fn [<final_result_summary_$type>](state: &[<CountState$type>], opts: &STVOptions) -> String {
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return final_result_summary(&state.0, &opts.0);
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@ -165,9 +165,9 @@ macro_rules! impl_type {
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///
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/// This is required as `&'static` cannot be specified in wasm-bindgen: see [issue 1187](https://github.com/rustwasm/wasm-bindgen/issues/1187).
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///
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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pub struct [<CountState$type>](CountState<'static, $type>);
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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impl [<CountState$type>] {
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/// Create a new [CountState] wrapper
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pub fn new(election: &[<Election$type>]) -> Self {
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@ -187,9 +187,9 @@ macro_rules! impl_type {
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///
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/// This is required as `&'static` cannot be specified in wasm-bindgen: see [issue 1187](https://github.com/rustwasm/wasm-bindgen/issues/1187).
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///
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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pub struct [<Election$type>](Election<$type>);
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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impl [<Election$type>] {
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/// Return [Election::seats]
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pub fn seats(&self) -> usize { self.0.seats }
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@ -215,10 +215,10 @@ impl_type!(NativeFloat64);
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impl_type!(Rational);
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/// Wrapper for [stv::STVOptions]
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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pub struct STVOptions(stv::STVOptions);
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#[wasm_bindgen]
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#[cfg_attr(feature = "wasm", wasm_bindgen)]
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impl STVOptions {
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/// Wrapper for [stv::STVOptions::new]
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pub fn new(
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