copypasta 0.6.0

copypasta is a cross-platform library for getting and setting the contents of the OS-level clipboard.
Documentation 
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// Copyright 2016 Avraham Weinstock
//
// 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.

use common::ClipboardProvider;
use std::error::Error;

pub struct NopClipboardContext;

impl NopClipboardContext {
    pub fn new() -> Result<NopClipboardContext, Box<dyn Error>> {
        Ok(NopClipboardContext)
    }
}

impl ClipboardProvider for NopClipboardContext {
    fn get_contents(&mut self) -> Result<String, Box<dyn Error>> {
        println!(
            "Attempting to get the contents of the clipboard, which hasn't yet been implemented \
             on this platform."
        );
        Ok("".to_string())
    }

    fn set_contents(&mut self, _: String) -> Result<(), Box<dyn Error>> {
        println!(
            "Attempting to set the contents of the clipboard, which hasn't yet been implemented \
             on this platform."
        );
        Ok(())
    }
}