Use Roc zero-arg syntax

Author: lukewilliamboswell

examples/README.md

@@ -10,14 +10,14 @@ import pf.Stdout
 import pf.Stderr
 import http.Response
 
-# To run this example: check the README.md in this folder
+# To run this example: check the root README.md
 
 Model : {}
 
 program = { init!, respond! }
 
-init! : {} => Try(Model, [Exit(I64), ..])
-init! = |{}| {
+init! : () => Try(Model, [Exit(I64), ..])
+init! = || {
     result = || {
         # Simplest way to execute a command (prints to your terminal).
         Cmd.exec!("echo", ["Hello"])?
@@ -70,7 +70,7 @@ init! = |{}| {
 
 respond! : Http.Request, Model => Try(Http.Response, [ServerErr(Str), ..])
 respond! = |req, _model| {
-    millis = Utc.to_millis_since_epoch(Utc.now!({}))
+    millis = Utc.to_millis_since_epoch(Utc.now!())
 
     # Log request time, method and url using echo
     match Cmd.exec!("echo", ["${millis.to_str()} ${Str.inspect(req.method())} ${req.uri()}"]) {

examples/command.roc

@@ -10,14 +10,14 @@ import pf.Http
 import pf.Path
 import http.Response
 
-# To run this example: check the README.md in this folder
+# To run this example: check the root README.md
 
 Model : {}
 
 program = { init!, respond! }
 
-init! : {} => Try(Model, [Exit(I64), ..])
-init! = |{}| {
+init! : () => Try(Model, [Exit(I64), ..])
+init! = || {
     result = || {
         # Create a directory
         Dir.create!("empty-dir")?

examples/dir.roc

@@ -7,16 +7,16 @@ import pf.Http
 import pf.Stdout
 import http.Response
 
-# To run this example: check the README.md in this folder
+# To run this example: check the root README.md
 
 ## Echo server: logs the request method/uri and replies with the request body.
 
 Model : {}
 
 program = { init!, respond! }
 
-init! : {} => Try(Model, [Exit(I64), ..])
-init! = |{}| Ok({})
+init! : () => Try(Model, [Exit(I64), ..])
+init! = || Ok({})
 
 respond! : Http.Request, Model => Try(Http.Response, [ServerErr(Str), ..])
 respond! = |req, _model| {

examples/echo.roc

@@ -7,14 +7,14 @@ import pf.Env
 import pf.Http
 import http.Response
 
-# To run this example: check the README.md in this folder
+# To run this example: check the root README.md
 
 Model : {}
 
 program = { init!, respond! }
 
-init! : {} => Try(Model, [Exit(I64), ..])
-init! = |{}| Ok({})
+init! : () => Try(Model, [Exit(I64), ..])
+init! = || Ok({})
 
 respond! : Http.Request, Model => Try(Http.Response, [ServerErr(Str), ..])
 respond! = |_request, _model|

examples/env.roc

@@ -13,8 +13,8 @@ Model : {}
 
 program = { init!, respond! }
 
-init! : {} => Try(Model, [Exit(I64), ..])
-init! = |{}| Ok({})
+init! : () => Try(Model, [Exit(I64), ..])
+init! = || Ok({})
 
 AppError : [
     EnvVarNotSet(Str),

examples/error-handling.roc

@@ -14,8 +14,8 @@ Model : {}
 
 program = { init!, respond! }
 
-init! : {} => Try(Model, [Exit(I64), ..])
-init! = |{}| {
+init! : () => Try(Model, [Exit(I64), ..])
+init! = || {
     result = || {
         file = "LICENSE"
 

examples/file-accessed-modified-created-time.roc

@@ -13,8 +13,8 @@ Model : {}
 
 program = { init!, respond! }
 
-init! : {} => Try(Model, [Exit(I64), ..])
-init! = |{}| {
+init! : () => Try(Model, [Exit(I64), ..])
+init! = || {
     result = || {
         file = "LICENSE"
 

examples/file-permissions.roc

@@ -3,7 +3,7 @@ app [Model, init!, respond!] { pf: platform "../platform/main.roc" }
 import pf.File
 import pf.Http exposing [Request, Response]
 
-# To run this example: check the README.md in this folder
+# To run this example: check the root README.md
 
 # # Buffered File Reading
 #
@@ -26,8 +26,8 @@ ReadSummary : {
 }
 
 # We only read the file once in `init`.
-init! : {} => Result Model [Exit I32 Str]_
-init! = |{}|
+init! : () => Result Model [Exit I32 Str]_
+init! = ||
     reader = File.open_reader!("LICENSE")?
 
     process_line!(reader, { lines_read: 0, bytes_read: 0 })
@@ -53,4 +53,4 @@ process_line! = |reader, { lines_read, bytes_read }|
             )
 
         Err(err) ->
-            Err(ErrorReadingLine(Inspect.to_str(err)))
+            Err(ErrorReadingLine(Inspect.to_str(err)))

examples/file-read-buffered.todoroc

@@ -7,14 +7,14 @@ import pf.File
 import pf.Http
 import http.Response
 
-# To run this example: check the README.md in this folder
+# To run this example: check the root README.md
 
 Model : {}
 
 program = { init!, respond! }
 
-init! : {} => Try(Model, [Exit(I64), ..])
-init! = |{}| Ok({})
+init! : () => Try(Model, [Exit(I64), ..])
+init! = || Ok({})
 
 respond! : Http.Request, Model => Try(Http.Response, [ServerErr(Str), ..])
 respond! = |_request, _model|