id.fz
# This file is part of the Fuzion language implementation.
#
# The Fuzion language implementation is free software: you can redistribute it
# and/or modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation, version 3 of the License.
#
# The Fuzion language implementation is distributed in the hope that it will be
# useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
# License for more details.
#
# You should have received a copy of the GNU General Public License along with The
# Fuzion language implementation. If not, see <https://www.gnu.org/licenses/>.
# -----------------------------------------------------------------------
#
# Tokiwa Software GmbH, Germany
#
# Source code of Fuzion standard library feature id
#
# Author: Fridtjof Siebert (siebert@tokiwa.software)
#
# -----------------------------------------------------------------------
# id -- routine implementing the identity function
#
# When called, this feature returns its argument
#
#
public id(T type, x T) T => x
# id -- feature returing the unary identity function
#
# When called, this feature returns a unary function that implements the
# identity for the given type.
#
#
public id(T type) T->T => x->x
last changed: 2024-03-07