go.uber.org/yarpc@v1.72.1/internal/interpolate/example_test.go (about)

     1  // Copyright (c) 2022 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package interpolate
    22  
    23  import "fmt"
    24  
    25  var (
    26  	resolver      = mapResolver(map[string]string{"name": "Inigo Montoya"})
    27  	emptyResolver = mapResolver(map[string]string{})
    28  )
    29  
    30  func Example() {
    31  	s, err := Parse("My name is ${name}")
    32  	if err != nil {
    33  		panic(err)
    34  	}
    35  
    36  	out, err := s.Render(resolver)
    37  	if err != nil {
    38  		panic(err)
    39  	}
    40  
    41  	fmt.Println(out)
    42  	// Output: My name is Inigo Montoya
    43  }
    44  
    45  func Example_default() {
    46  	s, err := Parse("My name is ${name:what}")
    47  	if err != nil {
    48  		panic(err)
    49  	}
    50  
    51  	out, err := s.Render(emptyResolver)
    52  	if err != nil {
    53  		panic(err)
    54  	}
    55  
    56  	fmt.Println(out)
    57  	// Output: My name is what
    58  }