diff options
| author | marisa <mokou@posteo.de> | 2019-11-11 16:51:38 +0100 |
|---|---|---|
| committer | marisa <mokou@posteo.de> | 2019-11-11 16:51:38 +0100 |
| commit | 9bdb0a12e45a8e9f9f6a4bd4a9c172c5376c7f60 (patch) | |
| tree | 3c4a094d57ecedf9706e0ba567a9f157590177c8 /exercises/macros/macros3.rs | |
| parent | 627cdc07d07dfe6a740e885e0ddf6900e7ec336b (diff) | |
feat: Refactor hint system
Hints are now accessible using the CLI subcommand `rustlings hint
<exercise name`.
BREAKING CHANGE: This fundamentally changes the way people interact with exercises.
Diffstat (limited to 'exercises/macros/macros3.rs')
| -rw-r--r-- | exercises/macros/macros3.rs | 64 |
1 files changed, 2 insertions, 62 deletions
diff --git a/exercises/macros/macros3.rs b/exercises/macros/macros3.rs index 84c4308..9b08adc 100644 --- a/exercises/macros/macros3.rs +++ b/exercises/macros/macros3.rs @@ -1,5 +1,6 @@ // macros3.rs -// Make me compile, without taking the macro out of the module! Scroll down for hints :) +// Make me compile, without taking the macro out of the module! +// Execute `rustlings hint macros3` for hints :) mod macros { macro_rules! my_macro { @@ -12,64 +13,3 @@ mod macros { fn main() { my_macro!(); } - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// In order to use a macro outside of its module, you need to do something -// special to the module to lift the macro out into its parent. - - - - - - - - -// The same trick also works on "extern crate" statements for crates that have -// exported macros, if you've seen any of those around. |