Set a scalar.

Set a scalar.

Usage

set_scalar(daf, name, value, overwrite = FALSE)

Arguments

daf

A DafReader.

name

Scalar name.

value

Atomic scalar (length 1, non-NA).

overwrite

If FALSE (default) error when the scalar already exists; if TRUE replace.

Value

Invisibly the input daf.

Examples

# Mirrors writers.jl jldoctest at line 63.
d <- example_cells_daf()
set_scalar(d, "version", 1.0)
get_scalar(d, "version")                          # 1.0
#> [1] 1
set_scalar(d, "version", 2.0, overwrite = TRUE)
get_scalar(d, "version")                          # 2.0
#> [1] 2