}
pub fn new(data_offsets: Vec<u32>) -> AllocDecodingState {
- let decoding_state: Vec<_> = ::std::iter::repeat(Mutex::new(State::Empty))
- .take(data_offsets.len())
- .collect();
+ let decoding_state = vec![Mutex::new(State::Empty); data_offsets.len()];
AllocDecodingState {
- decoding_state: decoding_state,
+ decoding_state,
data_offsets,
}
}
use infer::{self, InferCtxt};
use infer::type_variable::TypeVariableOrigin;
use std::fmt;
-use std::iter;
use syntax::ast;
use session::DiagnosticMessageId;
use ty::{self, AdtKind, ToPredicate, ToPolyTraitRef, Ty, TyCtxt, TypeFoldable};
// found arguments is empty (assume the user just wants to ignore args in this case).
// For example, if `expected_args_length` is 2, suggest `|_, _|`.
if found_args.is_empty() && is_closure {
- let underscores = iter::repeat("_")
- .take(expected_args.len())
- .collect::<Vec<_>>()
- .join(", ");
+ let underscores = vec!["_"; expected_args.len()].join(", ");
err.span_suggestion_with_applicability(
found_span,
&format!(