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Code Issues Releases Activity

Move to more legible types (#989)

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* Move to more legible types

* Add information about underscores
This commit is contained in:
Dominik Maier
2023-07-18 07:12:51 +02:00
committed by GitHub
parent 97ac01dc75
commit 21ea796e3b
1 changed files with 11 additions and 8 deletions
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19
src/basic-syntax/scalar-types.md
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@ -1,13 +1,13 @@
# Scalar Types # Scalar Types
| | Types | Literals | | | Types | Literals |
|------------------------|--------------------------------------------|-------------------------------| |------------------------|--------------------------------------------|--------------------------------|
| Signed integers | `i8`, `i16`, `i32`, `i64`, `i128`, `isize` | `-10`, `0`, `1_000`, `123i64` | | Signed integers | `i8`, `i16`, `i32`, `i64`, `i128`, `isize` | `-10`, `0`, `1_000`, `123_i64` |
| Unsigned integers | `u8`, `u16`, `u32`, `u64`, `u128`, `usize` | `0`, `123`, `10u16` | | Unsigned integers | `u8`, `u16`, `u32`, `u64`, `u128`, `usize` | `0`, `123`, `10_u16` |
| Floating point numbers | `f32`, `f64` | `3.14`, `-10.0e20`, `2f32` | | Floating point numbers | `f32`, `f64` | `3.14`, `-10.0e20`, `2_f32` |
| Strings | `&str` | `"foo"`, `"two\nlines"` | | Strings | `&str` | `"foo"`, `"two\nlines"` |
| Unicode scalar values | `char` | `'a'`, `'α'`, `'∞'` | | Unicode scalar values | `char` | `'a'`, `'α'`, `'∞'` |
| Booleans | `bool` | `true`, `false` | | Booleans | `bool` | `true`, `false` |
The types have widths as follows: The types have widths as follows:
@ -40,4 +40,7 @@ There are a few syntaxes which are not shown above:
} }
``` ```
- All underscores in numbers can be left out, they are for legibility only.
So `1_000` can be written as `1000` (or `10_00`), and `123_i64` can be written as `123i64`.
</details> </details>