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49 lines
884 B
Rust
49 lines
884 B
Rust
//@aux-build:proc_macros.rs
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#![warn(clippy::reserve_after_initialization)]
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#![no_main]
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extern crate proc_macros;
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use proc_macros::{external, with_span};
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// Should lint
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fn standard() {
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let mut v1: Vec<usize> = Vec::with_capacity(10);
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}
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// Should lint
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fn capacity_as_expr() {
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let capacity = 10;
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let mut v2: Vec<usize> = Vec::with_capacity(capacity);
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}
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// Shouldn't lint
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fn vec_init_with_argument() {
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let mut v3 = vec![1];
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v3.reserve(10);
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}
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// Shouldn't lint
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fn called_with_capacity() {
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let _v4: Vec<usize> = Vec::with_capacity(10);
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}
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// Should lint
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fn assign_expression() {
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let mut v5: Vec<usize> = Vec::new();
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v5 = Vec::with_capacity(10);
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}
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fn in_macros() {
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external! {
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let mut v: Vec<usize> = vec![];
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v.reserve(10);
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}
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with_span! {
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span
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let mut v: Vec<usize> = vec![];
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v.reserve(10);
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}
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}
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