github.com/waldiirawan/apm-agent-go/v2@v2.2.2/internal/apmstrings/truncate.go (about)

     1  // Licensed to Elasticsearch B.V. under one or more contributor
     2  // license agreements. See the NOTICE file distributed with
     3  // this work for additional information regarding copyright
     4  // ownership. Elasticsearch B.V. licenses this file to you under
     5  // the Apache License, Version 2.0 (the "License"); you may
     6  // not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  //
     9  //     http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing,
    12  // software distributed under the License is distributed on an
    13  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    14  // KIND, either express or implied.  See the License for the
    15  // specific language governing permissions and limitations
    16  // under the License.
    17  
    18  package apmstrings
    19  
    20  // Truncate returns s truncated at n runes, and the number
    21  // of runes in the resulting string (<= n).
    22  func Truncate(s string, n int) (string, int) {
    23  	var j int
    24  	for i := range s {
    25  		if j == n {
    26  			return s[:i], n
    27  		}
    28  		j++
    29  	}
    30  	return s, j
    31  }