code.vegaprotocol.io/vega@v0.79.0/libs/stringer/stringer.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package stringer
    17  
    18  import (
    19  	"fmt"
    20  	"reflect"
    21  )
    22  
    23  type Stringer interface {
    24  	String() string
    25  }
    26  
    27  func ObjToString(v Stringer) string {
    28  	if v == nil || reflect.ValueOf(v).Kind() == reflect.Ptr && reflect.ValueOf(v).IsNil() {
    29  		return "nil"
    30  	}
    31  
    32  	return v.String()
    33  }
    34  
    35  func PtrToString[T any](v *T) string {
    36  	if v == nil {
    37  		return "nil"
    38  	}
    39  
    40  	return fmt.Sprintf("%v", *v)
    41  }