Make the examples no-ops when toml is not enabled

examples/follow_profile.rs

@@ -1,8 +1,11 @@
+#![cfg_attr(not(feature = "toml"), allow(dead_code))]
+#![cfg_attr(not(feature = "toml"), allow(unused_imports))]
 mod register;
 
 use register::MastodonClient;
 use std::error;
 
+#[cfg(feature = "toml")]
 fn main() -> Result<(), Box<error::Error>> {
     let mastodon = register::get_mastodon_data()?;
     let input = register::read_line("Enter the account id you'd like to follow: ")?;
@@ -12,3 +15,8 @@ fn main() -> Result<(), Box<error::Error>> {
 
     Ok(())
 }
+
+#[cfg(not(feature = "toml"))]
+fn main() {
+    println!("examples require the `toml` feature, run this command for this example:\n\ncargo run --example follow_profile --features toml\n");
+}

examples/print_your_profile.rs

@@ -1,8 +1,11 @@
+#![cfg_attr(not(feature = "toml"), allow(dead_code))]
+#![cfg_attr(not(feature = "toml"), allow(unused_imports))]
 mod register;
 
 use register::MastodonClient;
 use std::error;
 
+#[cfg(feature = "toml")]
 fn main() -> Result<(), Box<error::Error>> {
     let mastodon = register::get_mastodon_data()?;
     let you = mastodon.verify_credentials()?;
@@ -11,3 +14,8 @@ fn main() -> Result<(), Box<error::Error>> {
 
     Ok(())
 }
+
+#[cfg(not(feature = "toml"))]
+fn main() {
+    println!("examples require the `toml` feature, run this command for this example:\n\ncargo run --example print_your_profile --features toml\n");
+}

examples/register.rs

@@ -1,3 +1,5 @@
+#![cfg_attr(not(feature = "toml"), allow(dead_code))]
+#![cfg_attr(not(feature = "toml"), allow(unused_imports))]
 extern crate elefren;
 
 pub use self::elefren::{Data, MastodonClient};
@@ -6,18 +8,22 @@ use std::{error::Error, io};
 
 use self::elefren::{
     apps::{App, Scopes},
-    data::toml,
     Mastodon,
     Registration,
 };
 
+#[cfg(feature = "toml")]
+use self::elefren::data::toml;
+
 #[allow(dead_code)]
+#[cfg(feature = "toml")]
 fn main() -> Result<(), Box<Error>> {
     register()?;
     Ok(())
 }
 
 #[allow(dead_code)]
+#[cfg(feature = "toml")]
 pub fn get_mastodon_data() -> Result<Mastodon, Box<Error>> {
     if let Ok(data) = toml::from_file("mastodon-data.toml") {
         Ok(Mastodon::from(data))
@@ -26,6 +32,7 @@ pub fn get_mastodon_data() -> Result<Mastodon, Box<Error>> {
     }
 }
 
+#[cfg(feature = "toml")]
 pub fn register() -> Result<Mastodon, Box<Error>> {
     let mut app = App::builder();
     app.client_name("elefren-examples")
@@ -48,6 +55,7 @@ pub fn register() -> Result<Mastodon, Box<Error>> {
     Ok(mastodon)
 }
 
+#[cfg(feature = "toml")]
 pub fn read_line(message: &str) -> Result<String, Box<Error>> {
     println!("{}", message);
 
@@ -56,3 +64,6 @@ pub fn read_line(message: &str) -> Result<String, Box<Error>> {
 
     Ok(input.trim().to_string())
 }
+
+#[cfg(not(feature = "toml"))]
+fn main() { }

examples/search.rs

@@ -1,8 +1,11 @@
+#![cfg_attr(not(feature = "toml"), allow(dead_code))]
+#![cfg_attr(not(feature = "toml"), allow(unused_imports))]
 mod register;
 
 use register::MastodonClient;
 use std::error;
 
+#[cfg(feature = "toml")]
 fn main() -> Result<(), Box<error::Error>> {
     let mastodon = register::get_mastodon_data()?;
     let input = register::read_line("Enter the term you'd like to search: ")?;
@@ -12,3 +15,8 @@ fn main() -> Result<(), Box<error::Error>> {
 
     Ok(())
 }
+
+#[cfg(not(feature = "toml"))]
+fn main() {
+    println!("examples require the `toml` feature, run this command for this example:\n\ncargo run --example search --features toml\n");
+}

examples/upload_photo.rs

@@ -1,8 +1,11 @@
+#![cfg_attr(not(feature = "toml"), allow(dead_code))]
+#![cfg_attr(not(feature = "toml"), allow(unused_imports))]
 mod register;
 
 use register::MastodonClient;
 use std::error;
 
+#[cfg(feature = "toml")]
 fn main() -> Result<(), Box<error::Error>> {
     let mastodon = register::get_mastodon_data()?;
     let input = register::read_line("Enter the path to the photo you'd like to post: ")?;
@@ -11,3 +14,8 @@ fn main() -> Result<(), Box<error::Error>> {
 
     Ok(())
 }
+
+#[cfg(not(feature = "toml"))]
+fn main() {
+    println!("examples require the `toml` feature, run this command for this example:\n\ncargo run --example upload_photo --features toml\n");
+}