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Make attrs in fold_attrs expect Iterator of Attribute instead of &[Attribute]

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TheAwiteb 2023-03-02 15:04:59 +03:00
parent 9b7e5957cc
commit 47ad84c17e
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1 changed files with 2 additions and 3 deletions
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5
crates/teloxide-macros/src/attr.rs
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@ -7,15 +7,14 @@ use syn::{
Attribute, Ident, Lit, Path, Token,
};
pub(crate) fn fold_attrs<A, R>(
attrs: &[Attribute],
pub(crate) fn fold_attrs<'a, A, R>(
attrs: impl Iterator<Item = &'a Attribute>,
filter: fn(&Attribute) -> bool,
parse: impl Fn(Attr) -> Result<R>,
init: A,
f: impl Fn(A, R) -> Result<A>,
) -> Result<A> {
attrs
.iter()
.filter(|&a| filter(a))
.flat_map(|attribute| {
// FIXME: don't allocate here