Fix a grammatical miss in println macro section (#745)

This commit is contained in:
Jayanth Manklu
2020-02-16 22:26:40 +05:30
committed by GitHub
parent 9924ed0b13
commit b01c6b68b6

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@@ -592,7 +592,7 @@ macro_rules! println {
Macros are defined through one or more rules, which are similar to `match` arms. The `println` macro has two rules: The first rule for is invocations without arguments (e.g `println!()`), which is expanded to `print!("\n")` and thus just prints a newline. the second rule is for invocations with parameters such as `println!("Hello")` or `println!("Number: {}", 4)`. It is also expanded to an invocation of the `print!` macro, passing all arguments and an additional newline `\n` at the end.
The `#[macro_export]` attribute makes the available to the whole crate (not just the module it is defined) and external crates. It also places the macro at the crate root, which means that we have to import the macro through `use std::println` instead of `std::macros::println`.
The `#[macro_export]` attribute makes the macro available to the whole crate (not just the module it is defined) and external crates. It also places the macro at the crate root, which means that we have to import the macro through `use std::println` instead of `std::macros::println`.
The [`print!` macro] is defined as: