Go - string format
- d - decimal integer
- o - octal integer
- O - octal integer with 0o prefix
- b - binary integer
- x - hexadecimal integer lowercase
- X - hexadecimal integer uppercase
- f - decimal floating point, lowercase
- F - decimal floating point, uppercase
- e - scientific notation (mantissa/exponent), lowercase
- E - scientific notation (mantissa/exponent), uppercase
- g - the shortest representation of %e or %f
- G - the shortest representation of %E or %F
- c - a character represented by the corresponding Unicode code point
- q - a quoted character
- U - Unicode escape sequence
- t - the word true or false
- s - a string
- v - default format
- #v - Go-syntax representation of the value
- T - a Go-syntax representation of the type of the value
- p - pointer address
- % - a double %% prints a single %
res := fmt.Sprintf("%s is %d years old", name, age)https://zetcode.com/golang/string-format/
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