OpenE2K
/
rust
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add explanation for #[must_use] on Debug builders

This commit is contained in:
Manish Goregaokar 2018-05-07 09:26:03 -07:00
parent 1abed9cebf
commit 6e49c837f6
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/libcore/fmt/builders.rs
View File

@ -84,7 +84,7 @@ impl<'a> fmt::Write for PadAdapter<'a> {
/// // prints "Foo { bar: 10, baz: "Hello World" }"
/// println!("{:?}", Foo { bar: 10, baz: "Hello World".to_string() });
/// ```
#[must_use]
#[must_use = "must eventually call `finish()` on Debug builders"]
#[allow(missing_debug_implementations)]
#[stable(feature = "debug_builders", since = "1.2.0")]
pub struct DebugStruct<'a, 'b: 'a> {
@ -181,7 +181,7 @@ impl<'a, 'b: 'a> DebugStruct<'a, 'b> {
/// // prints "Foo(10, "Hello World")"
/// println!("{:?}", Foo(10, "Hello World".to_string()));
/// ```
#[must_use]
#[must_use = "must eventually call `finish()` on Debug builders"]
#[allow(missing_debug_implementations)]
#[stable(feature = "debug_builders", since = "1.2.0")]
pub struct DebugTuple<'a, 'b: 'a> {
@ -319,7 +319,7 @@ impl<'a, 'b: 'a> DebugInner<'a, 'b> {
/// // prints "{10, 11}"
/// println!("{:?}", Foo(vec![10, 11]));
/// ```
#[must_use]
#[must_use = "must eventually call `finish()` on Debug builders"]
#[allow(missing_debug_implementations)]
#[stable(feature = "debug_builders", since = "1.2.0")]
pub struct DebugSet<'a, 'b: 'a> {
@ -390,7 +390,7 @@ impl<'a, 'b: 'a> DebugSet<'a, 'b> {
/// // prints "[10, 11]"
/// println!("{:?}", Foo(vec![10, 11]));
/// ```
#[must_use]
#[must_use = "must eventually call `finish()` on Debug builders"]
#[allow(missing_debug_implementations)]
#[stable(feature = "debug_builders", since = "1.2.0")]
pub struct DebugList<'a, 'b: 'a> {
@ -461,7 +461,7 @@ impl<'a, 'b: 'a> DebugList<'a, 'b> {
/// // prints "{"A": 10, "B": 11}"
/// println!("{:?}", Foo(vec![("A".to_string(), 10), ("B".to_string(), 11)]));
/// ```
#[must_use]
#[must_use = "must eventually call `finish()` on Debug builders"]
#[allow(missing_debug_implementations)]
#[stable(feature = "debug_builders", since = "1.2.0")]
pub struct DebugMap<'a, 'b: 'a> {