Types and related functions

Types and related functions

Usage

types(.data)

type(.data, ...)

type_(.data, ..., .dots)

Arguments

.data

input. This can be JSON input, or an object of class jqr that has JSON and query params combined, which is passed from function to function when using the jqr DSL.

...

Comma separated list of unquoted variable names

.dots

Used to work around non-standard evaluation

dots

dots

Examples

# get type information for each element
jq('[0, false, [], {}, null, "hello"]', 'map(type)')
#> [
#>     "number",
#>     "boolean",
#>     "array",
#>     "object",
#>     "null",
#>     "string"
#> ]
'[0, false, [], {}, null, "hello"]' %>% types
#> [
#>     "number",
#>     "boolean",
#>     "array",
#>     "object",
#>     "null",
#>     "string"
#> ]
'[0, false, [], {}, null, "hello", true, [1,2,3]]' %>% types
#> [
#>     "number",
#>     "boolean",
#>     "array",
#>     "object",
#>     "null",
#>     "string",
#>     "boolean",
#>     "array"
#> ]

# select elements by type
jq('[0, false, [], {}, null, "hello"]', '.[] | numbers,booleans')
#> [
#>     0,
#>     false
#> ]
'[0, false, [], {}, null, "hello"]' %>% index() %>% type(booleans)
#> false