member

import bolts.traits: ProtectionLevel, PropertySemantics;
static struct S {
    public int publicI;
    protected int protectedI;
    private @property int readPropI() { return protectedI; }
}

// Check the protection level of various members
static assert(member!(S, "publicI").protection == ProtectionLevel.public_);
static assert(member!(S, "protectedI").protection == ProtectionLevel.protected_);
static assert(member!(S, "readPropI").protection == ProtectionLevel.private_);

// Check if any are properties
static assert(!member!(S, "na").isProperty);
static assert(!member!(S, "publicI").isProperty);
static assert( member!(S, "readPropI").isProperty);

// Check their semantics
static assert(member!(S, "readPropI").propertySemantics == PropertySemantics.r);