87ef5f4d3b
This can be useful to prevent panics in a codebase. ATM it is a pedantic lint, but in the future it should be added to the restricions group.
33 lines
871 B
Rust
33 lines
871 B
Rust
#![feature(inclusive_range_syntax, plugin)]
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#![plugin(clippy)]
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#![deny(indexing_slicing)]
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#![deny(out_of_bounds_indexing)]
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#![allow(no_effect)]
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fn main() {
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let x = [1,2,3,4];
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x[0];
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x[3];
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x[4]; //~ERROR: indexing may panic
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//~^ ERROR: const index is out of bounds
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x[1 << 3]; //~ERROR: indexing may panic
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//~^ ERROR: const index is out of bounds
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&x[1..5]; //~ERROR: slicing may panic
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//~^ ERROR: range is out of bounds
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&x[0..3];
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&x[0...4]; //~ERROR: slicing may panic
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//~^ ERROR: range is out of bounds
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&x[..];
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&x[1..];
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&x[..4];
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&x[..5]; //~ERROR: slicing may panic
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//~^ ERROR: range is out of bounds
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let y = &x;
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y[0]; //~ERROR: indexing may panic
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&y[1..2]; //~ERROR: slicing may panic
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&y[..];
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&y[0...4]; //~ERROR: slicing may panic
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}
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