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Commit 8365332

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Add FromIterator impls for ascii::Chars to Strings
1 parent 52bf0cf commit 8365332

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2 files changed

+30
-0
lines changed

2 files changed

+30
-0
lines changed

‎library/alloc/src/string.rs

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@@ -2373,6 +2373,26 @@ impl<'a> FromIterator<Cow<'a, str>> for String {
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}
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}
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#[cfg(not(no_global_oom_handling))]
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#[unstable(feature = "ascii_char", issue = "110998")]
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impl FromIterator<core::ascii::Char> for String {
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fn from_iter<T: IntoIterator<Item = core::ascii::Char>>(iter: T) -> Self {
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let mut buf = String::new();
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buf.extend(iter);
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buf
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}
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}
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#[cfg(not(no_global_oom_handling))]
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#[unstable(feature = "ascii_char", issue = "110998")]
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impl<'a> FromIterator<&'a core::ascii::Char> for String {
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fn from_iter<T: IntoIterator<Item = &'a core::ascii::Char>>(iter: T) -> Self {
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let mut buf = String::new();
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buf.extend(iter);
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buf
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}
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}
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#[cfg(not(no_global_oom_handling))]
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#[stable(feature = "rust1", since = "1.0.0")]
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impl Extend<char> for String {
@@ -3200,6 +3220,14 @@ impl<'a> FromIterator<String> for Cow<'a, str> {
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}
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}
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#[cfg(not(no_global_oom_handling))]
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#[unstable(feature = "ascii_char", issue = "110998")]
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impl<'a> FromIterator<core::ascii::Char> for Cow<'a, str> {
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fn from_iter<T: IntoIterator<Item = core::ascii::Char>>(it: T) -> Self {
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Cow::Owned(FromIterator::from_iter(it))
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}
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}
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#[stable(feature = "from_string_for_vec_u8", since = "1.14.0")]
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impl From<String> for Vec<u8> {
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/// Converts the given [`String`] to a vector [`Vec`] that holds values of type [`u8`].

‎tests/ui/suggestions/semi-suggestion-when-stmt-and-expr-span-equal.stderr

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@@ -21,9 +21,11 @@ LL | .collect::<String>();
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|
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= help: the trait `FromIterator<()>` is not implemented for `String`
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= help: the following other types implement trait `FromIterator<A>`:
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`String` implements `FromIterator<&Char>`
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`String` implements `FromIterator<&char>`
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`String` implements `FromIterator<&str>`
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`String` implements `FromIterator<Box<str, A>>`
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`String` implements `FromIterator<Char>`
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`String` implements `FromIterator<Cow<'_, str>>`
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`String` implements `FromIterator<String>`
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`String` implements `FromIterator<char>`

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