slicetype

package

v0.0.0-...-30c4c12 Latest Latest Go to latest Published: May 19, 2023 License: Apache-2.0 Imports: 3 Imported by: 0

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Repository

github.com/grailbio/bigslice

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Documentation ¶

Overview ¶

Package slicetype implements data types and utilities to describe Bigslice types: Slices, Frames, and Tasks all carry slicetype.Types.

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Assignable ¶

func Assignable(in, out Type) bool

Assignable reports whether column type in can be assigned to out.

func Columns ¶

func Columns(typ Type) []reflect.Type

Columns returns a slice of column types from the provided type.

func Signature ¶

func Signature(arg, ret Type) string

Signature returns a Go function signature for a function that takes the provided arguments and returns the provided values.

func String ¶

func String(typ Type) string

Types ¶

type Type ¶

type Type interface {
	// NumOut returns the number of columns.
	NumOut() int
	// Out returns the data type of the ith column.
	Out(i int) reflect.Type
	// Prefix returns the number of columns in the type
	// which are considered the type's prefix. A type's
	// prefix is the set of columns which are considered
	// the type's key columns for operations like reduce.
	Prefix() int
}