list.elv

# Copyright (c) 2020, Cody Opel <cwopel@chlorm.net>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


fn has {|list value|
    has-value $list $value
}

fn drop {|list elem|
    var newList = [ ]
    for i $list {
        if (!=s $elem $i) {
            set newList = [ $@newList $i ]
        }
    }
    put $newList
}

fn reverse {|list|
    var newList = [ ]
    for i $list {
        set newList = [ $i $@newList ]
    }
    put $newList
}