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Check if a string is a compound expression

Source: R/utils.R
is_gams_expression.Rd

Check if a string is a compound expression

Usage

is_gams_expression(
  s,
  ops = c("+", "-", "*", "/", "^", "=", "==", "<", "<=", ">", ">=", "=e=", "=l=", "=g=",
    "=le=", "=ge=", "and", "or", "not")
)

Arguments

s

Character string (GAMS-like expression)

ops

Character vector of known operators (defaults: arithmetic, logical, relational)

Value

Logical: TRUE if expression, FALSE if atomic

Examples

is_gams_expression("x + y") # TRUE
#> [1] TRUE
is_gams_expression("x") # FALSE
#> [1] FALSE