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Implement [more] app header formatting

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Also, refactor out a utility method to format a Collection. This method can currently
replace some of the formatting done in module headers - but the goal is eventually
to be able to replace the code in fmt_list as well, such that there is 'one true way'
to format collections.
This commit is contained in:
Joshua Warner 2021-11-22 16:45:21 -08:00
parent f02ed47f31
commit 24f7692a73
9 changed files with 322 additions and 137 deletions
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17
compiler/fmt/src/spaces.rs
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@ -16,9 +16,22 @@ pub fn add_spaces(buf: &mut String<'_>, spaces: u16) {
}
}
pub fn fmt_spaces<'a, I>(buf: &mut String<'a>, spaces: I, indent: u16)
pub fn fmt_default_spaces<'a>(
buf: &mut String<'a>,
spaces: &[CommentOrNewline<'a>],
default: &str,
indent: u16,
) {
if spaces.is_empty() {
buf.push_str(default);
} else {
fmt_spaces(buf, spaces.iter(), indent);
}
}
pub fn fmt_spaces<'b, 'a: 'b, I>(buf: &mut String<'a>, spaces: I, indent: u16)
where
I: Iterator<Item = &'a CommentOrNewline<'a>>,
I: Iterator<Item = &'b CommentOrNewline<'a>>,
{
use self::CommentOrNewline::*;