Functions

assert_type()

Checks at runtime whether an Unknown value is type T. Equivalent to Go’s v, ok := x.(T).

fn assert_type<T>(value: Unknown) -> Option<T>

let value: Unknown = get_unknown_value()
let n = assert_type<int>(value)?Some(n) if the expected type, else None

complex()

Creates a complex number from real and imaginary parts.

fn complex(r: float64, i: float64) -> complex128

let z = complex(3.0, 4.0)(3+4i)

imaginary()

Returns the imaginary part of a complex number.

fn imaginary(c: complex128) -> float64

let z = complex(3.0, 4.0)
let imaginary_part = imaginary(z)4

max()

Returns the largest of its arguments, which must share one Ordered type.

fn max<T: Ordered>(x: T, rest: VarArgs<T>) -> T

let largest = max(3, 1, 2)3
let last_word = max("pear", "apple")"pear", compared alphabetically

min()

Returns the smallest of its arguments, which must share one Ordered type.

fn min<T: Ordered>(x: T, rest: VarArgs<T>) -> T

let smallest = min(3, 1, 2)1
let first_word = min("pear", "apple")"apple", compared alphabetically

panic()

Terminates the program with the given value.

fn panic(msg: Unknown) -> Never

panic("something went wrong")
panic(err)

real()

Returns the real part of a complex number.

fn real(c: complex128) -> float64

let z = complex(3.0, 4.0)
let real_part = real(z)3