Utilities

General-purpose modifiers — defaults, lengths, line numbers, and date formatting.

Modifier	Description
`default`	Default returns the fallback value if the input is nil or an empty string.
`format`	Format formats a time.
`length`	Length returns the number of characters in a string or bytes in a byte slice.
`line-numbers`	LineNumbers prepends each line of the string with its zero-based line number.

How is this guide?

upper

ToUpper converts a string to uppercase.

default

Default returns the fallback value if the input is nil or an empty string.