Foreign.Index

class Index i  where

This type class identifies types that act like property indices.

The canonical instances are for Strings and Ints.

Members

• index :: Foreign -> i -> F Foreign
• hasProperty :: i -> Foreign -> Boolean
• hasOwnProperty :: i -> Foreign -> Boolean
• errorAt :: i -> ForeignError -> ForeignError

Instances

• Index String
• Index Int

class Indexable a  where

Members

• ix :: forall i. Index i => a -> i -> F Foreign

Instances

• Indexable Foreign
• Indexable (ExceptT (NonEmptyList ForeignError) Identity Foreign)

readProp :: String -> Foreign -> F Foreign

Attempt to read a value from a foreign value property

readIndex :: Int -> Foreign -> F Foreign

Attempt to read a value from a foreign value at the specified numeric index

Operator alias for Foreign.Index.ix (left-associative / precedence 9)