nitdoc: use `==` instead of `is`

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/nitdoc.nit b/src/nitdoc.nit
index 0adf6a4..716c6b8 100644 (file)
--- a/src/nitdoc.nit
+++ b/src/nitdoc.nit
@@ -95,12 +95,12 @@ class NitdocContext
        end
 
        private fun process_options do
-               if not opt_dir.value is null then
+               if opt_dir.value != null then
                        output_dir = opt_dir.value
                else
                        output_dir = "doc"
                end
-               if not opt_sharedir.value is null then
+               if opt_sharedir.value != null then
                        share_dir = opt_sharedir.value
                else
                        var dir = "NIT_DIR".environ
@@ -110,12 +110,12 @@ class NitdocContext
                                dir = "{dir}/share/nitdoc"
                        end
                        share_dir = dir
-                       if share_dir is null then
+                       if share_dir == null then
                                print "Error: Cannot locate nitdoc share files. Uses --sharedir or envvar NIT_DIR"
                                abort
                        end
                        dir = "{share_dir.to_s}/scripts/js-facilities.js"
-                       if share_dir is null then
+                       if share_dir == null then
                                print "Error: Invalid nitdoc share files. Check --sharedir or envvar NIT_DIR"
                                abort
                        end
@@ -778,7 +778,7 @@ class NitdocClass
                super
                append("<li><a href='index.html'>Overview</a></li>")
                var public_owner = mclass.public_owner
-               if public_owner is null then
+               if public_owner == null then
                        append("<li>")
                        mclass.intro_mmodule.html_link(self)
                        append("</li>")
@@ -1205,7 +1205,7 @@ redef class MModule
                page.append("<div class='description'>")
                if page.ctx.mbuilder.mmodule2nmodule.has_key(self) then
                        var nmodule = page.ctx.mbuilder.mmodule2nmodule[self]
-                       if not page.ctx.github_gitdir is null then
+                       if page.ctx.github_gitdir != null then
                                var loc = nmodule.doc_location.github(page.ctx.github_gitdir.as(not null))
                                page.append("<textarea class='baseComment' data-comment-namespace='{full_name}' data-comment-location='{loc}'>{nmodule.full_comment}</textarea>")
                        end
@@ -1410,7 +1410,7 @@ redef class MClass
                                if page.ctx.mbuilder.mclassdef2nclassdef.has_key(mclassdef) then
                                        var nclass = page.ctx.mbuilder.mclassdef2nclassdef[mclassdef]
                                        if nclass isa AStdClassdef then
-                                               if not page.ctx.github_gitdir is null then
+                                               if page.ctx.github_gitdir != null then
                                                        var loc = nclass.doc_location.github(page.ctx.github_gitdir.as(not null))
                                                        page.append("<textarea class='baseComment' data-comment-namespace='{mclassdef.mmodule.full_name}::{name}' data-comment-location='{loc}'>{nclass.full_comment}</textarea>")
                                                end
@@ -1436,7 +1436,7 @@ redef class MClass
                        if page.ctx.mbuilder.mclassdef2nclassdef.has_key(intro) then
                                var nclass = page.ctx.mbuilder.mclassdef2nclassdef[intro]
                                if nclass isa AStdClassdef then
-                                       if not page.ctx.github_gitdir is null then
+                                       if page.ctx.github_gitdir != null then
                                                var loc = nclass.doc_location.github(page.ctx.github_gitdir.as(not null))
                                                page.append("<textarea class='baseComment' data-comment-namespace='{intro.mmodule.full_name}::{name}' data-comment-location='{loc}'>{nclass.full_comment}</textarea>")
                                        end