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More fixes for iterating example

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This commit is contained in:
Alex Crichton
2018-12-13 10:40:07 -08:00
parent 0617398bac
commit 4054ce8a2c
1 changed files with 2 additions and 2 deletions
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4
guide/src/reference/iterating-over-js-values.md
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@ -76,7 +76,7 @@ pub fn collect_numbers(some_iterable: &JsValue) -> Result<js_sys::Array, JsValue
let nums = js_sys::Array::new(); let nums = js_sys::Array::new();
let iterator = js_sys::try_iter(some_iterable)?.ok_or_else(|| { let iterator = js_sys::try_iter(some_iterable)?.ok_or_else(|| {
"need to pass iterable JS values!".into() "need to pass iterable JS values!"
})?; })?;
for x in iterator { for x in iterator {
@ -85,7 +85,7 @@ pub fn collect_numbers(some_iterable: &JsValue) -> Result<js_sys::Array, JsValue
let x = x?; let x = x?;
// If `x` is a number, add it to our array of numbers! // If `x` is a number, add it to our array of numbers!
if x.is_f64() { if x.as_f64().is_some() {
nums.push(&x); nums.push(&x);
} }
} }