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Data type reference

Table 1. Underlying types for core expression types:
Type Golang type Notes

Vars

map[string]TypedValue{}

For complex key-value structures.

Any

interface{}

Integer

int64

64-bit integer; range -9223372036854775808 through 9223372036854775807.

UnsignedInteger

uint64

64-bit unsigned integer; range 0 through 18446744073709551615.

ID

uint64

64-bit unsigned integer; range 0 through 18446744073709551615.

Float

float64

IEEE-754 64-bit floating-point numbers.

Array

[]TypedValue

Can hold zero or more typed values.

Boolean

bool

true or false.

DateTime

*time.Time

Date time type.

Duration

time.Duration

Duration type.

Handle

string

Expects valid handle; empty string or match for /^[A-Za-z][0-9A-Za-z_\-.]*[A-Za-z0-9]$/.

KV

map[string]string

Simple key-value structure.

KVV

map[string][]string

Simple key-values structure, used for url query params, headers.

Reader

io.Reader

When dealing with files or streams of data.

String

string