What is the append(_:) string method in Swift?
Overview
The append(_:) method is used to append a string or character to another string.
Syntax
// append string
string.append(str)
// append character
string.append(char)
Parameters
-
string: This is the string we want to append to another string or character. -
str: This is another string we want to append to the originalstring. -
char: This is the character we want to append tostring.
Return value
This method returns a new string containing the original string together with the appended string or character.
Example
// create stringsvar str1 = "Edpre"var str2 = ""var str3 = "awe"var str4 = ""// append strings and charactersstr1.append("sso")str2.append("is")str3.append("some")str4.append("!")// print resultsprint(str1)print(str2)print(str3)print(str4)
Explanation
- Lines 2 to 5: We create some string values.
- Lines 8 to 11: We append some strings and characters to the strings we created using the
append(_:)method. - Lines 14 to 17: We print the results.