Test whether a vector exists on an axis.

Test whether a vector exists on an axis.

Usage

has_vector(daf, axis, name)

Arguments

daf

A DafReader.

axis

Axis name.

name

Vector name.

Value

Logical scalar.

Examples

# Mirrors readers.jl jldoctests at lines 525 + 533.
has_vector(example_cells_daf(),     "cell",     "type") # FALSE
#> [1] FALSE
has_vector(example_metacells_daf(), "metacell", "type") # TRUE
#> [1] TRUE