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Remove unnecessary collect

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TheAwiteb 2023-03-02 15:57:43 +03:00
parent 9a2e39ea01
commit 99685f3dcc
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1 changed files with 27 additions and 31 deletions
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58
crates/teloxide-macros/src/command_attr.rs
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@ -50,39 +50,35 @@ impl CommandAttrs {
pub fn from_attributes(attributes: &[Attribute]) -> Result<Self> { pub fn from_attributes(attributes: &[Attribute]) -> Result<Self> {
use CommandAttrKind::*; use CommandAttrKind::*;
// Convert the `doc` attribute into `command(description = "...")` // Convert the `doc` attribute into `command(description = "...")`
let attributes = attributes let attributes = attributes.iter().map(|attr| {
.iter() if attr.path.is_ident("doc") {
.map(|attr| { // Extract the token literal from the doc attribute.
if attr.path.is_ident("doc") { let description = attr
// Extract the token literal from the doc attribute. .tokens
let description = attr .clone()
.tokens .into_iter()
.clone() .nth(1)
.into_iter() .map(|t| {
.nth(1) // remove first and last quotes only, is expected to be a string literal
.map(|t| { let mut s = t.to_string();
// remove first and last quotes only, is expected to be a string literal s.remove(0);
let mut s = t.to_string(); s.pop();
s.remove(0); s.trim().replace(r"\\n", "\n")
s.pop(); })
s.trim().replace(r"\\n", "\n") .unwrap_or_default();
}) // Convert the doc attribute into a command description attribute.
.unwrap_or_default(); let sp = attr.span();
// Convert the doc attribute into a command description attribute. let attr = Attribute::parse_outer
let sp = attr.span(); .parse2(quote_spanned!(sp => #[command(description = #description)]))
let attr = Attribute::parse_outer .unwrap();
.parse2(quote_spanned!(sp => #[command(description = #description)])) attr.into_iter().next().unwrap()
.unwrap(); } else {
// SAFETY: `parse_outer` always returns a single attribute. attr.clone()
attr.into_iter().next().unwrap() }
} else { });
attr.clone()
}
})
.collect::<Vec<_>>();
fold_attrs( fold_attrs(
attributes.iter(), attributes,
is_command_attribute, is_command_attribute,
CommandAttr::parse, CommandAttr::parse,
Self { Self {