Computer scienceProgramming languagesGolangTypes and data structuresStrings

String builder

Theory

Concatenating strings and bytes

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Suppose you have a Go program with the builder variable of the strings.Builder type, and that you call different write methods to write data to the builder:

var builder strings.Builder

builder.WriteString("ABC")
builder.Write([]byte{68, 69, 70})
builder.Write([]byte{'4', '5', '6'})

What would be the output of builder if you printed it using fmt.Println(builder.String())?

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