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Rollup merge of #77831 - LingMan:use_std, r=jonas-schievink

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Use std methods on char instead of open coding them
This commit is contained in:
Yuki Okushi 2020-10-13 04:08:03 +09:00 committed by GitHub
commit e40ae080ac
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1 changed files with 10 additions and 23 deletions
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33
compiler/rustc_builtin_macros/src/format_foreign.rs
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@ -385,7 +385,7 @@ pub mod printf {
if let Start = state {
match c {
'1'..='9' => {
let end = at_next_cp_while(next, is_digit);
let end = at_next_cp_while(next, char::is_ascii_digit);
match end.next_cp() {
// Yes, this *is* the parameter.
Some(('$', end2)) => {
@ -427,7 +427,7 @@ pub mod printf {
move_to!(next);
}
'1'..='9' => {
let end = at_next_cp_while(next, is_digit);
let end = at_next_cp_while(next, char::is_ascii_digit);
state = Prec;
width = Some(Num::from_str(at.slice_between(end).unwrap(), None));
move_to!(end);
@ -441,7 +441,7 @@ pub mod printf {
}
if let WidthArg = state {
let end = at_next_cp_while(at, is_digit);
let end = at_next_cp_while(at, char::is_ascii_digit);
match end.next_cp() {
Some(('$', end2)) => {
state = Prec;
@ -473,7 +473,7 @@ pub mod printf {
if let PrecInner = state {
match c {
'*' => {
let end = at_next_cp_while(next, is_digit);
let end = at_next_cp_while(next, char::is_ascii_digit);
match end.next_cp() {
Some(('$', end2)) => {
state = Length;
@ -488,7 +488,7 @@ pub mod printf {
}
}
'0'..='9' => {
let end = at_next_cp_while(next, is_digit);
let end = at_next_cp_while(next, char::is_ascii_digit);
state = Length;
precision = Some(Num::from_str(at.slice_between(end).unwrap(), None));
move_to!(end);
@ -563,12 +563,12 @@ pub mod printf {
fn at_next_cp_while<F>(mut cur: Cur<'_>, mut pred: F) -> Cur<'_>
where
F: FnMut(char) -> bool,
F: FnMut(&char) -> bool,
{
loop {
match cur.next_cp() {
Some((c, next)) => {
if pred(c) {
if pred(&c) {
cur = next;
} else {
return cur;
@ -579,14 +579,7 @@ pub mod printf {
}
}
fn is_digit(c: char) -> bool {
match c {
'0'..='9' => true,
_ => false,
}
}
fn is_flag(c: char) -> bool {
fn is_flag(c: &char) -> bool {
match c {
'0' | '-' | '+' | ' ' | '#' | '\'' => true,
_ => false,
@ -723,17 +716,11 @@ pub mod shell {
}
fn is_ident_head(c: char) -> bool {
match c {
'a'..='z' | 'A'..='Z' | '_' => true,
_ => false,
}
c.is_ascii_alphabetic() || c == '_'
}
fn is_ident_tail(c: char) -> bool {
match c {
'0'..='9' => true,
c => is_ident_head(c),
}
c.is_ascii_alphanumeric() || c == '_'
}
#[cfg(test)]