20 wiersze
536 B
Rust
20 wiersze
536 B
Rust
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//-- #########################
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//-- Task: Building your first macro in Rust
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//-- Author: Vigneshwer.D
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//-- Version: 1.0.0
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//-- Date: 28 March 17
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//-- #########################
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// This is a simple macro named `say_hello`.
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macro_rules! Welcome_RustBook {
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// `()` indicates that the macro takes no argument.
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() => (
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// The macro will expand into the contents of this block.
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println!("Welcome to Rust Cookbook!");
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)
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}
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fn main() {
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// This call will expand into `println!("Hello");`
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Welcome_RustBook!()
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}
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