The bigint type — arbitrary-precision integers.
The bigint type validates an arbitrary-precision integer — values too large for the double-based number family (see Numeric Types). In data it is written with an n suffix: 123n, 0xFFn.
For the literal syntax, see BigInt values.
A bigint MemberDef accepts only the options below. Any other key is invalid.
type
string
The type name bigint. First positional value.
default
bigint
Value used when the member is omitted. Second positional value.
choices
array of bigint
Restricts the value to a fixed set.
min
bigint
Minimum allowed value (inclusive).
max
bigint
Maximum allowed value (inclusive).
multipleOf
bigint
The value must be an exact multiple of this.
format
string
Serialization base: decimal (default), hex, octal, binary.
optional
bool
If true, the member may be omitted. Shorthand: ? suffix.
null
bool
If true, the member may be null. Shorthand: * suffix.
id: bigint
---
~ 123n # ✓
~ 0xFFn # ✓ (255)
~ 99999999999999999999999999999n # ✓Resolution follows the common rules:
Keyed null: is not yet honored — use the * suffix.
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big: { bigint, min: 100n }
---
~ 50n # ✗ invalid-rangeid?*: bigint # optional + nullable
---
~ {} # ✓ omitted → absent
~ N # ✓ null
~ 7n # ✓