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.