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Implement ptr_vec_to_ref_vec()

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This commit is contained in:
Seiichi Uchida 2017-09-15 22:27:20 +09:00
parent 7e309a4ad8
commit 8e5c76094d
3 changed files with 14 additions and 11 deletions
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15
src/expr.rs
View File

@ -33,7 +33,7 @@ use string::{rewrite_string, StringFormat};
use types::{can_be_overflowed_type, rewrite_path, PathContext};
use utils::{binary_search, colon_spaces, contains_skip, extra_offset, first_line_width,
inner_attributes, last_line_extendable, last_line_width, left_most_sub_expr, mk_sp,
outer_attributes, paren_overhead, semicolon_for_stmt, stmt_expr,
outer_attributes, paren_overhead, ptr_vec_to_ref_vec, semicolon_for_stmt, stmt_expr,
trimmed_last_line_width, wrap_str};
use vertical::rewrite_with_alignment;
use visitor::FmtVisitor;
@ -85,7 +85,7 @@ pub fn format_expr(
rewrite_call_with_binary_search(
context,
&**callee,
&args.iter().map(|x| &**x).collect::<Vec<_>>()[..],
&ptr_vec_to_ref_vec(&args),
inner_span,
shape,
)
@ -112,12 +112,9 @@ pub fn format_expr(
expr.span,
shape,
),
ast::ExprKind::Tup(ref items) => rewrite_tuple(
context,
&items.iter().map(|x| &**x).collect::<Vec<_>>()[..],
expr.span,
shape,
),
ast::ExprKind::Tup(ref items) => {
rewrite_tuple(context, &ptr_vec_to_ref_vec(&items), expr.span, shape)
}
ast::ExprKind::If(..) |
ast::ExprKind::IfLet(..) |
ast::ExprKind::ForLoop(..) |
@ -2037,7 +2034,7 @@ pub fn rewrite_call(
rewrite_call_inner(
context,
callee,
&args.iter().map(|x| &**x).collect::<Vec<_>>(),
&ptr_vec_to_ref_vec(&args),
span,
shape,
context.config.fn_call_width(),

2
src/types.rs
View File

@ -727,7 +727,7 @@ impl Rewrite for ast::Ty {
}
ast::TyKind::Tup(ref items) => rewrite_tuple(
context,
&items.iter().map(|x| &**x).collect::<Vec<_>>()[..],
&::utils::ptr_vec_to_ref_vec(&items),
self.span,
shape,
),

8
src/utils.rs
View File

@ -11,7 +11,7 @@
use std::borrow::Cow;
use std::cmp::Ordering;
use syntax::abi;
use syntax::{abi, ptr};
use syntax::ast::{self, Attribute, MetaItem, MetaItemKind, NestedMetaItem, NestedMetaItemKind,
Path, Visibility};
use syntax::codemap::{BytePos, Span, NO_EXPANSION};
@ -97,6 +97,12 @@ pub fn format_abi(abi: abi::Abi, explicit_abi: bool) -> String {
}
}
#[inline]
// Transform `Vec<syntax::ptr::P<T>>` into `Vec<&T>`
pub fn ptr_vec_to_ref_vec<T>(vec: &[ptr::P<T>]) -> Vec<&T> {
vec.iter().map(|x| &**x).collect::<Vec<_>>()
}
#[inline]
pub fn filter_attributes(attrs: &[ast::Attribute], style: ast::AttrStyle) -> Vec<ast::Attribute> {
attrs