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BNF
<expression> ::= ( <term> | ! <term> ) [ <combine_opts> <expression> ]*
<combine_opts> ::= ("-a" | "-o")
<term> ::= <factor> [ <between_opts> <factor> ] | <prefix_opts> <factor>
<prefix_opts> ::= "-" [bcdefghknprstuwxzLOGS]
<between_opts> ::= ("=" | "==" | "!=" | ">" | ">=" | "<" | "<=" | "-nt" | "-ot" | "-ef" | "-eq" | "-ne" | "-lt" | "-le" | "-gt" | "-ge" | "-starts" | "-ends" | "-contains")
<factor> ::= <string> | <number> | "(" expression ")"
<number> ::= [0-9]+
<string> ::= [a-zA-Z_$][-a-zA-Z_0-9$]+
Documentation
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Index ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type Expression ¶
type Expression struct {
Original string
// contains filtered or unexported fields
}
func New ¶
func New(expression []string) *Expression
func (*Expression) Eval ¶
func (e *Expression) Eval() (bool, error)
func (*Expression) SetEnv ¶
func (e *Expression) SetEnv(key, value string) bool
func (*Expression) Term ¶
func (e *Expression) Term() (bool, error)
Source Files
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