Additional string fns

2 files changed, 59 insertions, 10 deletions

diff --git a/gen/iodata.erl b/gen/iodata.erl
index 5a2ab4a..3401d3f 100644
--- a/gen/iodata.erl
+++ b/gen/iodata.erl
@@ -2,7 +2,7 @@
 -compile(no_auto_import).
 -include_lib("eunit/include/eunit.hrl").
 
--export([prepend/2, append/2, concat/1, new/1, to_string/1, byte_size/1, lowercase/1, uppercase/1, reverse/1, split/2, replace/3, is_equal/2, is_empty/1]).
+-export([prepend/2, append/2, prepend_iodata/2, append_iodata/2, from_strings/1, concat/1, new/1, to_string/1, byte_size/1, from_float/1, lowercase/1, uppercase/1, reverse/1, split/2, replace/3, is_equal/2, is_empty/1]).
 
 prepend(A, B) ->
     gleam__stdlib:iodata_prepend(A, B).
@@ -10,6 +10,15 @@ prepend(A, B) ->
 append(A, B) ->
     gleam__stdlib:iodata_append(A, B).
 
+prepend_iodata(A, B) ->
+    gleam__stdlib:iodata_prepend(A, B).
+
+append_iodata(A, B) ->
+    gleam__stdlib:iodata_append(A, B).
+
+from_strings(A) ->
+    gleam__stdlib:identity(A).
+
 concat(A) ->
     gleam__stdlib:identity(A).
 
@@ -22,12 +31,22 @@ to_string(A) ->
 byte_size(A) ->
     erlang:iolist_size(A).
 
+from_float(A) ->
+    io_lib_format:fwrite_g(A).
+
 -ifdef(TEST).
 iodata_test() ->
     Iodata = prepend(append(append(new(<<"ello">>), <<",">>), <<" world!">>),
                      <<"H">>),
     expect:equal(to_string(Iodata), <<"Hello, world!">>),
-    expect:equal(byte_size(Iodata), 13).
+    expect:equal(byte_size(Iodata), 13),
+    Iodata1 = prepend_iodata(append_iodata(append_iodata(new(<<"ello">>),
+                                                         new(<<",">>)),
+                                           concat([new(<<" wo">>),
+                                                   new(<<"rld!">>)])),
+                             new(<<"H">>)),
+    expect:equal(to_string(Iodata1), <<"Hello, world!">>),
+    expect:equal(byte_size(Iodata1), 13).
 -endif.
 
 lowercase(A) ->
@@ -35,7 +54,7 @@ lowercase(A) ->
 
 -ifdef(TEST).
 lowercase_test() ->
-    expect:equal(to_string(lowercase(concat([<<"Gleam">>, <<"Gleam">>]))),
+    expect:equal(to_string(lowercase(from_strings([<<"Gleam">>, <<"Gleam">>]))),
                  <<"gleamgleam">>).
 -endif.
 
@@ -44,7 +63,7 @@ uppercase(A) ->
 
 -ifdef(TEST).
 uppercase_test() ->
-    expect:equal(to_string(uppercase(concat([<<"Gleam">>, <<"Gleam">>]))),
+    expect:equal(to_string(uppercase(from_strings([<<"Gleam">>, <<"Gleam">>]))),
                  <<"GLEAMGLEAM">>).
 -endif.
 
@@ -61,8 +80,10 @@ split(Iodata, On) ->
 split_test() ->
     expect:equal(split(new(<<"Gleam,Erlang,Elixir">>), <<",">>),
                  [new(<<"Gleam">>), new(<<"Erlang">>), new(<<"Elixir">>)]),
-    expect:equal(split(concat([<<"Gleam, Erl">>, <<"ang,Elixir">>]), <<", ">>),
-                 [new(<<"Gleam">>), concat([<<"Erl">>, <<"ang,Elixir">>])]).
+    expect:equal(split(from_strings([<<"Gleam, Erl">>, <<"ang,Elixir">>]),
+                       <<", ">>),
+                 [new(<<"Gleam">>),
+                  from_strings([<<"Erl">>, <<"ang,Elixir">>])]).
 -endif.
 
 erl_replace(A, B, C, D) ->
@@ -76,7 +97,7 @@ is_equal(A, B) ->
 
 -ifdef(TEST).
 is_equal_test() ->
-    expect:true(is_equal(new(<<"12">>), concat([<<"1">>, <<"2">>]))),
+    expect:true(is_equal(new(<<"12">>), from_strings([<<"1">>, <<"2">>]))),
     expect:true(is_equal(new(<<"12">>), new(<<"12">>))),
     expect:false(is_equal(new(<<"12">>), new(<<"2">>))).
 -endif.
@@ -88,6 +109,6 @@ is_empty(A) ->
 is_empty_test() ->
     expect:true(is_empty(new(<<"">>))),
     expect:false(is_empty(new(<<"12">>))),
-    expect:true(is_empty(concat([]))),
-    expect:true(is_empty(concat([<<"">>, <<"">>]))).
+    expect:true(is_empty(from_strings([]))),
+    expect:true(is_empty(from_strings([<<"">>, <<"">>]))).
 -endif.
diff --git a/gen/str.erl b/gen/str.erl
index 9625807..4ca27f5 100644
--- a/gen/str.erl
+++ b/gen/str.erl
@@ -2,7 +2,7 @@
 -compile(no_auto_import).
 -include_lib("eunit/include/eunit.hrl").
 
--export([length/1, lowercase/1, uppercase/1, reverse/1, split/2, replace/3]).
+-export([length/1, lowercase/1, uppercase/1, reverse/1, split/2, replace/3, from_int/1, base_from_int/2, from_float/1]).
 
 length(A) ->
     string:length(A).
@@ -57,3 +57,31 @@ replace_test() ->
     expect:equal(replace(<<"Gleam,Erlang,Elixir">>, <<",">>, <<"++">>),
                  <<"Gleam++Erlang++Elixir">>).
 -endif.
+
+from_int(A) ->
+    erlang:integer_to_binary(A).
+
+-ifdef(TEST).
+from_int_test() ->
+    expect:equal(from_int(123), <<"123">>),
+    expect:equal(from_int(-123), <<"-123">>),
+    expect:equal(from_int(123), <<"123">>).
+-endif.
+
+base_from_int(A, B) ->
+    erlang:integer_to_binary(A, B).
+
+-ifdef(TEST).
+base_from_int_test() ->
+    expect:equal(base_from_int(100, 16), <<"64">>),
+    expect:equal(base_from_int(-100, 16), <<"-64">>).
+-endif.
+
+from_float(F) ->
+    iodata:to_string(iodata:from_float(F)).
+
+-ifdef(TEST).
+from_float_test() ->
+    expect:equal(from_float(123.0), <<"123.0">>),
+    expect:equal(from_float(-8.1), <<"-8.1">>).
+-endif.