Description Usage Arguments Value See Also
Usual operators to subset and manipulate an object of class
Schema
.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | ## S4 method for signature 'Schema,missing,missing,missing'
x[i]
## S4 method for signature 'Schema,logical,missing,missing'
x[i]
## S4 method for signature 'Schema,numeric,missing,missing'
x[i]
## S4 method for signature 'Schema,character,missing,missing'
x[i]
## S4 method for signature 'Schema,numeric,missing'
x[[i]]
## S4 method for signature 'Schema,character,missing'
x[[i]]
## S4 method for signature 'Schema'
x$name
|
x |
an object of class |
i |
indices specifying tags to extract. Indices can be |
name |
a |
Exractors are all endomorphism: they return an object (possibly empty) of
class Schema
in all cases. An exception is made for
operator $
which returns NULL
if name
is not found. This is for
consistency with other list-like objects.
Other Schema:
Schema-accessors
,
Schema-class
,
Schema-coercions
,
Schema-methods
,
Schema-setops
,
Schema-validators
,
is_schema()
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