Rust datatypes: Difference between revisions
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= Literals = | |||
<blockquote> | |||
<syntaxhighlight lang="rust"> | |||
'a' // char | |||
"abc" // string | |||
1234 // i32 | |||
3.14 // f32 | |||
</syntaxhighlight> | |||
</blockquote><!-- Literals --> | |||
= Primitives = | = Primitives = |
Revision as of 02:21, 1 September 2021
Literals
'a' // char "abc" // string 1234 // i32 3.14 // f32
Primitives
Text
string
"abcd" // stringchar
char 'a' // character (single)Numbers
implied type let var = 12;
assigned type let var: i8 = 12;
type suffix let var = 12i8;
Integers
- signed integers range is split in two, can be positive/negative
- unsigned integers are positive, and use all available bits
- use radix to calculate max size that can be accomodated with b bits
// signed integers, by bit-size i8 // -128..127 i16 // -32768..32767 i32 // -2147483648..2147483647 i64 // ... i128 isize // unsigned integers, by bit-size u8 // 0..255 u16 // 0..65535 u36 // 0..4294967295 u64 // ... u128 usizeFloating Point
f32 f64Boolean
true false
Collections
tuples
arrays