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fix usage of LayoutDetails

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This commit is contained in:
Frederick Zhang
2017-11-21 16:51:36 +11:00
parent c5fa86da04
commit e91b01348e
1 changed files with 3 additions and 2 deletions
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5
clippy_lints/src/utils/mod.rs
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@@ -9,6 +9,7 @@ use rustc::lint::{LateContext, Level, Lint, LintContext};
use rustc::session::Session; use rustc::session::Session;
use rustc::traits; use rustc::traits;
use rustc::ty::{self, Ty, TyCtxt}; use rustc::ty::{self, Ty, TyCtxt};
use rustc::ty::layout::LayoutOf;
use rustc_errors; use rustc_errors;
use std::borrow::Cow; use std::borrow::Cow;
use std::env; use std::env;
@@ -1021,9 +1022,9 @@ pub fn is_try(expr: &Expr) -> Option<&Expr> {
} }
pub fn type_size<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, ty: Ty<'tcx>) -> Option<u64> { pub fn type_size<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, ty: Ty<'tcx>) -> Option<u64> {
ty.layout(cx.tcx, cx.param_env) (cx.tcx, cx.param_env).layout_of(ty)
.ok() .ok()
.map(|layout| layout.size(cx.tcx).bytes()) .map(|layout| layout.size.bytes())
} }
/// Returns true if the lint is allowed in the current context /// Returns true if the lint is allowed in the current context