hare

commit 670e0a11e148af39dd442fdaf82f7f95a306e873
parent 98189ab4e70f6d8f93807d2c8e26e94a05740ca7
Author: Drew DeVault <sir@cmpwn.com>
Date:   Sat,  8 Jan 2022 14:01:43 +0100

path: return latest value from mutation functions

Signed-off-by: Drew DeVault <sir@cmpwn.com>

Diffstat:
M
path/buffer.ha
 | 
4
++--
M
path/join.ha
 | 
4
+++-

2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/path/buffer.ha b/path/buffer.ha
@@ -20,8 +20,8 @@ export fn reset(buf: *buffer) void = {
 };
 
 // Sets the value of a path buffer to a list of components, overwriting any
-// previous value.
-export fn set(buf: *buffer, items: str...) (void | errors::overflow) = {
+// previous value. Returns the new string value of the path.
+export fn set(buf: *buffer, items: str...) (str | errors::overflow) = {
 	reset(buf);
 	return add(buf, items...);
 };
diff --git a/path/join.ha b/path/join.ha
@@ -3,7 +3,8 @@ use errors;
 use strings;
 
 // Joins several path elements together and copies them into a path buffer.
-export fn add(buf: *buffer, items: str...) (void | errors::overflow) = {
+// Returns the new string value of the path.
+export fn add(buf: *buffer, items: str...) (str | errors::overflow) = {
 	for (let i = 0z; i < len(items); i += 1) {
 		const elem = strings::toutf8(items[i]);
 		const tok = bytes::tokenize(elem, pathsep);
@@ -22,6 +23,7 @@ export fn add(buf: *buffer, items: str...) (void | errors::overflow) = {
 			appendnorm(buf, next)?;
 		};
 	};
+	return string(buf);
 };
 
 @test fn add() void = {