[stdlib] Remove StringRef.strip()

docs/changelog.md

@@ -29,4 +29,7 @@ what we publish.
 
 ### ❌ Removed
 
+- `StringRef` is being deprecated. Use `StringSlice` instead.
+  - removed `StringRef.strip()`
+
 ### 🛠️ Fixed

stdlib/src/utils/stringref.mojo

@@ -597,24 +597,6 @@ struct StringRef(
 
         return StringRef(data, length)
 
-    fn strip(self) -> StringRef:
-        """Gets a StringRef with leading and trailing whitespaces removed.
-        This only takes C spaces into account: " \\t\\n\\v\\f\\r".
-
-        For example, `"  mojo  "` returns `"mojo"`.
-
-        Returns:
-            A StringRef with leading and trailing whitespaces removed.
-        """
-        var start: Int = 0
-        var end: Int = len(self)
-        var ptr = self.unsafe_ptr()
-        while start < end and _isspace(ptr[start]):
-            start += 1
-        while end > start and _isspace(ptr[end - 1]):
-            end -= 1
-        return StringRef(ptr + start, end - start)
-
     fn split(self, delimiter: StringRef) raises -> List[StringRef]:
         """Split the StringRef by a delimiter.
 

stdlib/test/collections/test_string.mojo

@@ -235,60 +235,6 @@ def test_string_join():
     assert_equal(s6, "1,2,3")
 
 
-def test_string_literal_join():
-    var s2 = ",".join(List[UInt8](1, 2, 3))
-    assert_equal(s2, "1,2,3")
-
-    var s3 = ",".join(List[UInt8](1, 2, 3, 4, 5, 6, 7, 8, 9))
-    assert_equal(s3, "1,2,3,4,5,6,7,8,9")
-
-    var s4 = ",".join(List[UInt8]())
-    assert_equal(s4, "")
-
-    var s5 = ",".join(List[UInt8](1))
-    assert_equal(s5, "1")
-
-
-def test_stringref():
-    var a = StringRef("AAA")
-    var b = StringRef("BBB")
-    var c = StringRef("AAA")
-
-    assert_equal(3, len(a))
-    assert_equal(3, len(b))
-    assert_equal(3, len(c))
-    assert_equal(4, len("ABBA"))
-
-    # Equality operators
-    assert_not_equal(a, b)
-    assert_not_equal(b, a)
-
-    # Self equality
-    assert_equal(a, a)
-
-    # Value equality
-    assert_equal(a, c)
-
-
-def test_stringref_from_dtypepointer():
-    var a = StringRef("AAA")
-    var b = StringRef(ptr=a.data)
-    assert_equal(3, len(a))
-    assert_equal(3, len(b))
-    assert_equal(a, b)
-
-
-def test_stringref_strip():
-    var a = StringRef("  mojo rocks  ")
-    var b = StringRef("mojo  ")
-    var c = StringRef("  mojo")
-    var d = StringRef("")
-    assert_equal(a.strip(), "mojo rocks")
-    assert_equal(b.strip(), "mojo")
-    assert_equal(c.strip(), "mojo")
-    assert_equal(d.strip(), "")
-
-
 def test_ord():
     # Regular ASCII
     assert_equal(ord("A"), 65)
@@ -1603,10 +1549,6 @@ def main():
     test_stringable()
     test_repr()
     test_string_join()
-    test_string_literal_join()
-    test_stringref()
-    test_stringref_from_dtypepointer()
-    test_stringref_strip()
     test_ord()
     test_chr()
     test_string_indexing()