cereal_encode {cereal}

Encode a vector as JSON

Description

Create a list encoding the vctrs prototype (metadata) that can be stored as JSON.

Usage

cereal_encode(x)

Arguments

x

A vector

Details

Use the digits option to specify how many digits after the decimal point to record in JSON, for example via withr::local_options().

Value

A list that can be converted to JSON with jsonlite::toJSON()

See Also

vctrs::vec_ptype(), cereal_decode()

Examples

cereal_encode(1:10)
cereal_encode(Sys.Date())
cereal_encode(sample(letters, 5))
cereal_encode(factor(letters[1:5], labels = "letter"))
cereal_encode(factor(LETTERS[3:1], ordered = TRUE))

## you can encode a ptype as well:
ptype <- vctrs::vec_ptype(factor(LETTERS[3:1], ordered = TRUE))
## but "example" is NULL:
cereal_encode(ptype)