Use the right kind of doc comment in chains.rs

cc #2185
This commit is contained in:
Nick Cameron 2017-11-28 15:03:02 +13:00
parent 3c4d260bfc
commit 4e04e825b5

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@ -8,56 +8,56 @@
// option. This file may not be copied, modified, or distributed // option. This file may not be copied, modified, or distributed
// except according to those terms. // except according to those terms.
/// Formatting of chained expressions, i.e. expressions which are chained by //! Formatting of chained expressions, i.e. expressions which are chained by
/// dots: struct and enum field access, method calls, and try shorthand (?). //! dots: struct and enum field access, method calls, and try shorthand (?).
/// //!
/// Instead of walking these subexpressions one-by-one, as is our usual strategy //! Instead of walking these subexpressions one-by-one, as is our usual strategy
/// for expression formatting, we collect maximal sequences of these expressions //! for expression formatting, we collect maximal sequences of these expressions
/// and handle them simultaneously. //! and handle them simultaneously.
/// //!
/// Whenever possible, the entire chain is put on a single line. If that fails, //! Whenever possible, the entire chain is put on a single line. If that fails,
/// we put each subexpression on a separate, much like the (default) function //! we put each subexpression on a separate, much like the (default) function
/// argument function argument strategy. //! argument function argument strategy.
/// //!
/// Depends on config options: `chain_indent` is the indent to use for //! Depends on config options: `chain_indent` is the indent to use for
/// blocks in the parent/root/base of the chain (and the rest of the chain's //! blocks in the parent/root/base of the chain (and the rest of the chain's
/// alignment). //! alignment).
/// E.g., `let foo = { aaaa; bbb; ccc }.bar.baz();`, we would layout for the //! E.g., `let foo = { aaaa; bbb; ccc }.bar.baz();`, we would layout for the
/// following values of `chain_indent`: //! following values of `chain_indent`:
/// Block: //! Block:
/// ``` //! ```
/// let foo = { //! let foo = {
/// aaaa; //! aaaa;
/// bbb; //! bbb;
/// ccc //! ccc
/// }.bar //! }.bar
/// .baz(); //! .baz();
/// ``` //! ```
/// Visual: //! Visual:
/// ``` //! ```
/// let foo = { //! let foo = {
/// aaaa; //! aaaa;
/// bbb; //! bbb;
/// ccc //! ccc
/// } //! }
/// .bar //! .bar
/// .baz(); //! .baz();
/// ``` //! ```
/// //!
/// If the first item in the chain is a block expression, we align the dots with //! If the first item in the chain is a block expression, we align the dots with
/// the braces. //! the braces.
/// Block: //! Block:
/// ``` //! ```
/// let a = foo.bar //! let a = foo.bar
/// .baz() //! .baz()
/// .qux //! .qux
/// ``` //! ```
/// Visual: //! Visual:
/// ``` //! ```
/// let a = foo.bar //! let a = foo.bar
/// .baz() //! .baz()
/// .qux //! .qux
/// ``` //! ```
use shape::Shape; use shape::Shape;
use config::IndentStyle; use config::IndentStyle;