Rust datatypes

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Revision as of 23:18, 29 August 2021 by Will (talk | contribs) (→‎Integers)

Primitives

Text

char

char

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
usize

Floating Point

Boolean

true
false

Collections

tuples

arrays