if
Syntax
if EXPR
The falsy values are false
, 0
, any nil
pointer or interface value, any array, slice, map, or string of length zero, and zero time.Time
values.
Everything else is truthy.
{{ $var := "foo" }}
{{ if $var }}
{{ $var }} → foo
{{ end }}
Use with the else
statement:
{{ $var := "foo" }}
{{ if $var }}
{{ $var }} → foo
{{ else }}
{{ print "var is falsy" }}
{{ end }}
Use else if
to check multiple conditions:
{{ $var := 12 }}
{{ if eq $var 6 }}
{{ print "var is 6" }}
{{ else if eq $var 7 }}
{{ print "var is 7" }}
{{ else if eq $var 42 }}
{{ print "var is 42" }}
{{ else }}
{{ print "var is something else" }}
{{ end }}
See Go’s text/template documentation for more information.