Sha256: ce947f1d47940c7bfc8bdac03e6b01abf6f84a5b2824b727fdfd238a5505ea16
Contents?: true
Size: 952 Bytes
Versions: 7
Compression:
Stored size: 952 Bytes
Contents
class Hash
alias_method :delete_at, :delete
# Inverse of #delete_if.
#
#
#
# CREDIT: Daniel Schierbeck
def delete_unless #:yield:
delete_if{ |key, value| ! yield(key, value) }
end
# Minor modification to Ruby's Hash#delete method
# allowing it to take multiple keys.
#
# hsh = { :a => 1, :b => 2 }
# hsh.delete_values(1)
# hsh #=> { :b => 2 }
#
# CREDIT: Daniel Schierbeck
def delete_values(*values)
keys.map{ |key| delete(key) if values.include?(fetch(key)) }
end
# Minor modification to Ruby's Hash#delete method
# allowing it to take multiple keys.
#
# This works niely with hash#[] and Hash#[]= facets.
#
# hsh[:a, :b, :c] = 1, 2, 3
#
# a, b, c = hsh.delete_values_at(:a, :b, :c)
#
# [a, b, c] #=> [1, 2, 3]
# hsh #=> {}
#
# CREDIT: Daniel Schierbeck
def delete_values_at(*keys, &yld)
keys.map{|key| delete(key, &yld) }
end
end
Version data entries
7 entries across 7 versions & 2 rubygems