duplicate 2.0.1

Provides macros for duplication of code with variable substitution.
Documentation 
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use duplicate::*;
#[duplicate_item(
	name;
	duplicate!{[ some_name; [SomeName1]; [SomeName2] ]
		[some_name];
	}
	[SomeName3]
)]//duplicate_end
pub struct name();
//item_end

// Test more than one nesting
#[duplicate_item(
	name;
	duplicate!{[ some_name; [SomeName4]; [SomeName5] ]
		[some_name];
	}
	duplicate!{
		[ // Test verbose syntax in nested call
			[ some_name	[SomeName6] ]
			[ some_name	[SomeName7] ]
		]
		[some_name];
	}
)]//duplicate_end
pub struct name();
//item_end

trait SomeTrait<T1, T2> {}
// Test 2 substitution groups in nested invocation.
// Output should be the same as the next test.
#[duplicate_item(
	member1 member2;
	duplicate!{ [ typ; [u8]; [u16]]
		[typ] [u32];
		[typ] [u64];
	}
)]//duplicate_end
impl SomeTrait<member1, member2> for (){}
//item_end

// Test nesting depth of 2.
// Output should be the same as the previous test
#[duplicate_item(
	member1 member2;
	duplicate!{[ typ; [i8]; [i16]]
		duplicate!{[ typ2; [i32]; [i64] ]
				[typ] [typ2];
		}
	}
)]//duplicate_end
impl SomeTrait<member1, member2> for (){}
//item_end

#[duplicate_item(
	name		some_int;
	[outer_1]	[1];
	[outer_2]	[2]
)]//duplicate_end
fn name()
{
	substitute! ( [
		sub [	some_int	]
	]
		sub;
	)
}
//item_end