Type Alias ShaderBinaryOp

ShaderBinaryOp:
    | "add"
    | "subtract"
    | "multiply"
    | "divide"
    | "min"
    | "max"
    | "dot"
    | "step"

The binary operators (§60), closed. "step"'s left operand is the edge and its right the value, matching GLSL's step(edge, x).