Array#pack

(::string fmt, ?buffer: ::String?) -> ::String

pack(template, buffer: nil) → string

# File tmp/rubies/ruby-3.4.1/pack.rb, line 7
def pack(fmt, buffer: nil)
  Primitive.pack_pack(fmt, buffer)
end

Formats each element in self into a binary string; returns that string. See Packed Data.

Ruby version changes

3.3
- Array#pack now raises ArgumentError for unknown directives. [Bug #19150]

See also #one? #permutation #none? #pop also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0