From 5df5f97daf55da97ceb1915995536a7e1c9472f8 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Thu, 14 Nov 2019 07:15:17 +0300
Subject: [PATCH] parser: allow `arr = []` instead of `arr = []string`

---
 vlib/compiler/main.v   | 3 +++
 vlib/compiler/parser.v | 7 +++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/vlib/compiler/main.v b/vlib/compiler/main.v
index 999c34bcd4..dc527c066f 100644
--- a/vlib/compiler/main.v
+++ b/vlib/compiler/main.v
@@ -569,6 +569,9 @@ pub fn (v &V) v_files_from_dir(dir string) []string {
 // Parses imports, adds necessary libs, and then user files
 pub fn (v mut V) add_v_files_to_compile() {
 	mut builtin_files := v.get_builtin_files()
+	if v.pref.is_bare {
+		builtin_files = []string
+	}	
 	// Builtin cache exists? Use it.
 	builtin_vh := '$v_modules_path${os.path_separator}vlib${os.path_separator}builtin.vh'
 	if v.pref.is_cache && os.file_exists(builtin_vh) {
diff --git a/vlib/compiler/parser.v b/vlib/compiler/parser.v
index d612d9e338..e8cfb824a4 100644
--- a/vlib/compiler/parser.v
+++ b/vlib/compiler/parser.v
@@ -2424,13 +2424,16 @@ fn (p mut Parser) array_init() string {
 	}
 	p.check(.rsbr)
 	// type after `]`? (e.g. "[]string")
-	if p.tok != .name && i == 0 {
+	if p.tok != .name && i == 0 && !p.expected_type.starts_with('array_') {
 		p.error('specify array type: `[]typ` instead of `[]`')
 	}
 	if p.tok == .name && i == 0 {
 		// vals.len == 0 {
 		typ = p.get_type()
-	}
+	} else if p.expected_type.starts_with('array_') {
+		// allow `known_array = []`
+		typ = p.expected_type[6..]
+	}	
 	// ! after array => no malloc and no copy
 	no_alloc := p.tok == .not
 	if no_alloc {