Reference · Vectors

vec.full

signature

vec.full(int, any) -> list

What it does

A list of n copies of a value. The value can be anything: a number, a string, null, a map or a list.

print(vec.full(3, "x"))print(vec.full(2, 2.5))print(vec.full(2, [1]))

output

["x", "x", "x"][2.5, 2.5][[1], [1]]

n of 0 is the empty list, whatever the value.
A value left out is null, so vec.full(2) is [null, null].
A list value gives a list of lists, a matrix of one number when the value is a row.
At most ten million items.

print(vec.full(0, "x"), vec.full(2))print(vec.full(2, vec.full(3, 0)))

output

[] [null, null][[0, 0, 0], [0, 0, 0]]

A negative count, or one over ten million, is a runtime error, not an error value; so is a count that is not an int.

this one fails

print(vec.full(-2, "x"))

output

line 1: `vec.full`: -2 is not a count from 0 to 10000000

A baseline to compare a series against, and a filler for missing columns:

let sales = [3, 5, 4]print(vec.sub(sales, vec.full(3, 4)))print(vec.full(3, 0.0) | vec.add(1))

output

[-1, 1, 0][1.0, 1.0, 1.0]

On vec.full(): questions, tips, corrections, and code that uses it.

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