Standard Library: Verification functions

[is-any: value]

bool

Returns true if value is any non-empty type.

[is-between: value; a; b]

bool

Returns true if value is bewteen a and b (both inclusive).

[is-bool: value]

bool

Returns true if value is of type bool.

[is-empty: value]

bool

Returns true if value is ~.

[is-even: number]

bool

Returns true if number is an even number.

[is-float: value]

bool

Returns true if value is of type float.

[is-int: value]

bool

Returns true if value is of type int.

[is-nan: value]

bool

Returns true if value is of type float and equal to NaN (Not a Number).

[is-number: value]

bool

Returns true if value is of type int or float.

[is-odd: number]

bool

Returns true if number is an odd number.

[is-string: value]

bool

Returns true if value is of type string.