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Use iterator instead of for loop

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Jeremy Stucki 2019-06-20 15:12:56 +02:00
parent 592140db5b
commit 92a7b0cdcd
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GPG Key ID: EEFCA93148042655
1 changed files with 5 additions and 7 deletions
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12
src/book/mod.rs
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@ -343,18 +343,16 @@ impl MDBook {
/// Look at the `Config` and try to figure out what renderers to use. /// Look at the `Config` and try to figure out what renderers to use.
fn determine_renderers(config: &Config) -> Vec<Box<dyn Renderer>> { fn determine_renderers(config: &Config) -> Vec<Box<dyn Renderer>> {
let mut renderers: Vec<Box<dyn Renderer>> = Vec::new(); let mut renderers = Vec::new();
if let Some(output_table) = config.get("output").and_then(Value::as_table) { if let Some(output_table) = config.get("output").and_then(Value::as_table) {
for (key, table) in output_table.iter() { renderers.extend(output_table.iter().map(|(key, table)| {
// the "html" backend has its own Renderer
if key == "html" { if key == "html" {
renderers.push(Box::new(HtmlHandlebars::new())); Box::new(HtmlHandlebars::new()) as Box<dyn Renderer>
} else { } else {
let renderer = interpret_custom_renderer(key, table); interpret_custom_renderer(key, table)
renderers.push(renderer);
} }
} }));
} }
// if we couldn't find anything, add the HTML renderer as a default // if we couldn't find anything, add the HTML renderer as a default