Initial project import

tools/v/vlib/builtin/meta_struct.v

@@ -0,0 +1,27 @@
+module builtin
+
+// FieldData holds information about a field. Fields reside on structs.
+pub struct FieldData {
+pub:
+	name          string // the name of the field f
+	typ           int    // the internal TypeID of the field f,
+	unaliased_typ int    // if f's type was an alias of int, this will be TypeID(int)
+
+	attrs    []string // the attributes of the field f
+	is_pub   bool     // f is in a `pub:` section
+	is_mut   bool     // f is in a `mut:` section
+	is_embed bool     // f is a embedded struct
+
+	is_shared bool // `f shared Abc`
+	is_atomic bool // `f atomic int` , TODO
+	is_option bool // `f ?string` , TODO
+
+	is_array  bool // `f []string` , TODO
+	is_map    bool // `f map[string]int` , TODO
+	is_chan   bool // `f chan int` , TODO
+	is_enum   bool // `f Enum` where Enum is an enum
+	is_struct bool // `f Abc` where Abc is a struct , TODO
+	is_alias  bool // `f MyInt` where `type MyInt = int`, TODO
+
+	indirections u8 // 0 for `f int`, 1 for `f &int`, 2 for `f &&int` , TODO
+}