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expand vec![] to Vec::new()

This commit is contained in:
Trevor Spiteri 2020-03-31 21:37:13 +02:00
parent 75ff3110ac
commit 4d8273dea5
1 changed files with 6 additions and 0 deletions
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6
src/liballoc/macros.rs
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@ -36,6 +36,9 @@
#[stable(feature = "rust1", since = "1.0.0")]
#[allow_internal_unstable(box_syntax)]
macro_rules! vec {
() => (
$crate::vec::Vec::new()
);
($elem:expr; $n:expr) => (
$crate::vec::from_elem($elem, $n)
);
@ -51,6 +54,9 @@ macro_rules! vec {
// NB see the slice::hack module in slice.rs for more information
#[cfg(test)]
macro_rules! vec {
() => (
$crate::vec::Vec::new()
);
($elem:expr; $n:expr) => (
$crate::vec::from_elem($elem, $n)
);