Data update

Task/Binary-strings/Sidef/binary-strings.sidef

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+# string creation
+var x = "hello world"
+
+# string destruction
+x = nil
+
+# string assignment with a null byte
+x = "a\0b"
+say x.length  # ==> 3
+
+# string comparison
+if (x == "hello") {
+  say "equal"
+} else {
+  say "not equal"
+}
+
+var y = 'bc'
+if (x < y) {
+  say "#{x} is lexicographically less than #{y}"
+}
+
+# string cloning
+var xx = x.clone
+say (x == xx)                  # true, same length and content
+say (x.refaddr == xx.refaddr)  # false, different objects
+
+# check if empty
+if (x.is_empty) {
+  say "is empty"
+}
+
+# append a byte
+x += "\07"
+say x.dump                  #=> "a\0b\a"
+
+# substring
+say x.substr(0, -1).dump    #=> "a\0b"
+
+# replace bytes
+say "hello world".tr("l", "L")
+
+# join strings
+var a = "hel"
+var b = "lo w"
+var c = "orld"
+var d = (a + b + c)
+say d