expr

Dec 14, 2025

Changes in this version

type Option

+ func DisableIfOperator() Option

+ func DisableShortCircuit() Option

Jul 24, 2025 GO-2025-4245

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Jun 3, 2025 GO-2025-4245

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

type Option

+ func MaxNodes(n uint) Option

May 27, 2025 GO-2025-4245

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

May 12, 2025 GO-2025-4245

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Mar 24, 2025 GO-2025-4245

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Mar 18, 2025 GO-2025-4245

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Mar 15, 2025 GO-2025-4245

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

May 27, 2024 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

May 24, 2024 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

May 8, 2024 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

May 8, 2024 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

type Option

+ func Timezone(name string) Option

Apr 16, 2024 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Apr 10, 2024 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Mar 27, 2024 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Mar 20, 2024 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Feb 18, 2024 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Jan 24, 2024 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

type Option

+ func WarnOnAny() Option

Jan 6, 2024 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Dec 10, 2023 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Dec 3, 2023 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

+ func Compile(input string, ops ...Option) (*vm.Program, error)

+ type Option func(c *conf.Config)

+ func AllowUndefinedVariables() Option

+ func AsAny() Option

+ func AsBool() Option

+ func AsFloat64() Option

+ func AsInt() Option

+ func AsInt64() Option

+ func AsKind(kind reflect.Kind) Option

+ func ConstExpr(fn string) Option

+ func DisableAllBuiltins() Option

+ func DisableBuiltin(name string) Option

+ func EnableBuiltin(name string) Option

+ func Function(name string, fn func(params ...any) (any, error), types ...any) Option

+ func Operator(operator string, fn ...string) Option

+ func Optimize(b bool) Option

+ func Patch(visitor ast.Visitor) Option

+ func WithContext(name string) Option

Jan 19, 2019 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Oct 22, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Oct 10, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Oct 10, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Oct 10, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Oct 9, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

type OptionFn

+ func Env(i interface{}) OptionFn

Oct 4, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Sep 18, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Sep 18, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Aug 21, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Aug 20, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Aug 9, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Aug 8, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

type Node

+ Eval func(env interface{}) (interface{}, error)

+ Type func(table typesTable) (Type, error)

type OptionFn

+ func Define(name string, t interface{}) OptionFn

+ func With(i interface{}) OptionFn

+ type Type = reflect.Type

Aug 5, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Aug 5, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Jul 30, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Jul 29, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Jul 16, 2018 GO-2025-3525 +1 more

  GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

  GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

+ func Eval(input string, env interface{}) (node interface{}, err error)

+ func Run(node Node, env interface{}) (interface{}, error)

+ type Node interface

+ func Parse(input string, ops ...OptionFn) (Node, error)

+ type OptionFn func(p *options)

+ func Funcs(funcs ...string) OptionFn

+ func Names(names ...string) OptionFn