boolean.md

title	section	prev	next
boolean	docs	label url Array /understanding-json-schema/reference/array	label url Null /understanding-json-schema/reference/null

The boolean type matches only two special values: true and false. Note that values that evaluate to true or false, such as 1 and 0, are not accepted by the schema.

[tabs-start "Language-specific info"]

[tab "Python"] In Python, "boolean" is analogous to bool. Note that in JSON, true and false are lower case, whereas in Python they are capitalized (True and False).

[tab "Ruby"] In Ruby, "boolean" is analogous to TrueClass and FalseClass. Note that in Ruby there is no Boolean class.

[tab "Objective-C"] In Objective-C, "boolean" is analogous to BOOL.

[tab "Swift"] In Swift, "boolean" is analogous to Bool.

[tabs-end]

// props { "isSchema": true }
{ "type": "boolean" }

// props { "indent": true, "valid": true }
true

// props { "indent": true, "valid": true }
false

// props { "indent": true, "valid": false }
"true"

Values that evaluate to true or false are still not accepted by the schema:

// props { "indent": true, "valid": false }
0