len

Description

@len(x)

• if x is a table, return the number of rows of the table; otherwise, return the length of x
• x can be any type

Type Rules

bool   -> i64
i8     -> i64
i16    -> i64
i32    -> i64
i64    -> i64
f32    -> i64
f64    -> i64
sym    -> i64
str    -> i64
month  -> i64
date   -> i64
dt     -> i64
minute -> i64
second -> i64
time   -> i64
complex-> i64
list   -> i64
enum   -> i64
dict   -> i64
table  -> i64
ktable -> i64
_      -> domain error

Examples

    @len((-1,2,3):f32)
3:i64